Question bank

test pairwise-berlin-000

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: 103 AK Schöneberg Hauptfahrbahn >NO, network link 42490059_T0000189, from (52.471891° N, 13.344321° E) to (52.473123° N, 13.349472° E)
B: Sandhauser Str., network link 33640001_33640005, from (52.601936° N, 13.210143° E) to (52.601516° N, 13.210391° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	NoJSONAnswer	✗ no usable answer
Qwen · off	"A"	error 1
Qwen · on	"A"	error 1

test pairwise-berlin-001

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Frankfurter Allee, network link 50540018_50540028, from (52.514726° N, 13.464786° E) to (52.514579° N, 13.466154° E)
B: Sandhauser Str., network link 33640001_33640005, from (52.601936° N, 13.210143° E) to (52.601516° N, 13.210391° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"A"	error 1
Qwen · on	"A"	error 1

test pairwise-berlin-002

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: 100 AS Schmargendorf Einfahrt v Konstanzer Str, network link 40510010_40510051, from (52.487669° N, 13.308338° E) to (52.486274° N, 13.307632° E)
B: Sandhauser Str., network link 33640001_33640005, from (52.601936° N, 13.210143° E) to (52.601516° N, 13.210391° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"B"	error 0

test pairwise-berlin-003

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Flatowallee, network link 35540004_35540005, from (52.509525° N, 13.241360° E) to (52.508234° N, 13.241872° E)
B: Kantstr., network link 39530016_39530025, from (52.506786° N, 13.300629° E) to (52.506777° N, 13.302333° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	"B"	error 1
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-004

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Sandhauser Str., network link 33640001_33640005, from (52.601936° N, 13.210143° E) to (52.601516° N, 13.210391° E)
B: Drontheimer Str., network link 44590020_44590008, from (52.560741° N, 13.377031° E) to (52.556456° N, 13.377055° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-005

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Sieversufer, network link 49480022_49480035, from (52.460017° N, 13.446849° E) to (52.460872° N, 13.450004° E)
B: Neuendorfer Str., network link 33570015_33570037, from (52.541674° N, 13.205597° E) to (52.542887° N, 13.206273° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"A"	error 0

test pairwise-berlin-006

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Ernst-Reuter-Platz, network link 41540005_41540020, from (52.512522° N, 13.320799° E) to (52.512028° N, 13.322084° E)
B: Flatowallee, network link 35540004_35540005, from (52.509525° N, 13.241360° E) to (52.508234° N, 13.241872° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"A"	error 1

test pairwise-berlin-007

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Fischerhüttenstr., network link 35460003_35460022, from (52.442733° N, 13.240152° E) to (52.441619° N, 13.242366° E)
B: Hauffstr., network link 51530038_51530037, from (52.506869° N, 13.476280° E) to (52.506708° N, 13.478276° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	"B"	error 1
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-008

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Alfredstr., network link 52540006_52540009, from (52.514413° N, 13.490240° E) to (52.514759° N, 13.490330° E)
B: Falkenseer Platz, network link 33570003_33570006, from (52.539915° N, 13.203229° E) to (52.539930° N, 13.203603° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"A"	error 0
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-009

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Roelckestr., network link 49580008_49580050, from (52.549124° N, 13.440820° E) to (52.549517° N, 13.441189° E)
B: Kurfürstendamm, network link 38520044_38520052, from (52.495752° N, 13.286852° E) to (52.496142° N, 13.287659° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	"B"	error 1
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-010

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Niemetzstr., network link 49490039_49490036, from (52.470583° N, 13.452638° E) to (52.469145° N, 13.454113° E)
B: 100 AS Schmargendorf Ausf n Mecklenburgi West, network link 39500041_39500006, from (52.479406° N, 13.306580° E) to (52.476878° N, 13.306348° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"B"	error 0

test pairwise-berlin-011

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Eldenaer Str., network link 50540001_50540021, from (52.519849° N, 13.462506° E) to (52.519903° N, 13.463708° E)
B: Neuendorfer Str., network link 33570015_33570037, from (52.541674° N, 13.205597° E) to (52.542887° N, 13.206273° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-012

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: 113 ZB Dresden Hauptfb zw AS Späthstr u AD Neukölln, network link 50480021_50480020, from (52.461261° N, 13.456110° E) to (52.462904° N, 13.454718° E)
B: Marzahner Promenade, network link 56570022_56570025, from (52.543627° N, 13.549570° E) to (52.542904° N, 13.550121° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"A"	error 1
Qwen · off	"B"	error 0
Qwen · on	"A"	error 1

test pairwise-berlin-013

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Hugo-Cassirer-Str., network link 34590048_34590052, from (52.560220° N, 13.218902° E) to (52.559467° N, 13.218851° E)
B: Niemetzstr., network link 49490039_49490036, from (52.470583° N, 13.452638° E) to (52.469145° N, 13.454113° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	"A"	error 0
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-014

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Kurfürstendamm, network link 38520044_38520052, from (52.495752° N, 13.286852° E) to (52.496142° N, 13.287659° E)
B: Wodanstr., network link 60530015_60530016, from (52.512456° N, 13.604061° E) to (52.512413° N, 13.605191° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	"A"	error 1
Llama 3.3	NoJSONAnswer	✗ no usable answer
Qwen · off	"A"	error 1
Qwen · on	"A"	error 1

test pairwise-berlin-015

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Buddestr., network link 38630008_38630010, from (52.592321° N, 13.285868° E) to (52.591293° N, 13.286616° E)
B: Straße des 17. Juni, network link 41540007_41540028, from (52.513144° N, 13.330235° E) to (52.513238° N, 13.331614° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-016

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: 100 AS Schmargendorf Einfahrt v Konstanzer Str, network link 40510010_40510051, from (52.487669° N, 13.308338° E) to (52.486274° N, 13.307632° E)
B: Londoner Str., network link 42590025_T0000593, from (52.559555° N, 13.338647° E) to (52.560583° N, 13.340216° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"B"	error 0

test pairwise-berlin-017

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: 100 AS Schmargendorf Ausf n Mecklenburgi West, network link 39500041_39500006, from (52.479406° N, 13.306580° E) to (52.476878° N, 13.306348° E)
B: Ollenhauerstr., network link 41600009_41610013, from (52.569217° N, 13.329890° E) to (52.572484° N, 13.331048° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"A"	error 0

test pairwise-berlin-018

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Kantstr., network link 39530016_39530025, from (52.506786° N, 13.300629° E) to (52.506777° N, 13.302333° E)
B: Humboldtstr., network link 41600009_T0000568, from (52.569217° N, 13.329890° E) to (52.569504° N, 13.330864° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"A"	error 1
Qwen · on	"A"	error 1

test pairwise-berlin-019

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Hermsdorfer Damm, network link 38630018_38640001, from (52.596695° N, 13.284823° E) to (52.600620° N, 13.281713° E)
B: Heerstr., network link 27560001_27560002, from (52.528997° N, 13.119234° E) to (52.528661° N, 13.122361° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-020

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Leipziger Str., network link 45530010_45540059, from (52.509997° N, 13.384188° E) to (52.510195° N, 13.387414° E)
B: Konrad-Adenauer-Str., network link 44550054_44550010, from (52.521678° N, 13.375293° E) to (52.522083° N, 13.376475° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"A"	error 1

test pairwise-berlin-021

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Neue Schönhauser Str., network link 46550062_46550026, from (52.524702° N, 13.403167° E) to (52.524934° N, 13.406367° E)
B: Kantstr., network link 39530016_39530025, from (52.506786° N, 13.300629° E) to (52.506777° N, 13.302333° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"A"	error 0

test pairwise-berlin-022

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Föhrer Brücke, network link 42570003_42570012, from (52.538317° N, 13.344419° E) to (52.539115° N, 13.345034° E)
B: Neue Bahnhofstr., network link 51530003_51530009, from (52.506178° N, 13.470300° E) to (52.507791° N, 13.471818° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"B"	error 0

test pairwise-berlin-023

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: An der Putlitzbrücke, network link 42560004_42560032, from (52.531826° N, 13.343258° E) to (52.532227° N, 13.343334° E)
B: Kiefholzstr., network link 50500033_50500034, from (52.483718° N, 13.461425° E) to (52.481814° N, 13.464138° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"B"	error 0

test pairwise-berlin-024

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Sieversufer, network link 49480022_49480035, from (52.460017° N, 13.446849° E) to (52.460872° N, 13.450004° E)
B: Eldenaer Str., network link 50540001_50540021, from (52.519849° N, 13.462506° E) to (52.519903° N, 13.463708° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	"A"	error 0
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-025

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: 100 AS Kurfürstend (südl T) Ausf n Kurfürstend, network link 38520058_39520023, from (52.494872° N, 13.289417° E) to (52.493522° N, 13.291630° E)
B: Falkenseer Platz, network link 33570003_33570006, from (52.539915° N, 13.203229° E) to (52.539930° N, 13.203603° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	NoJSONAnswer	✗ no usable answer
Qwen · off	"A"	error 0
Qwen · on	"A"	error 0

test pairwise-berlin-026

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Torfstr., network link 43570009_43570042, from (52.542176° N, 13.349475° E) to (52.540980° N, 13.351105° E)
B: Leipziger Str., network link 45530010_45540059, from (52.509997° N, 13.384188° E) to (52.510195° N, 13.387414° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-027

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Frankfurter Allee, network link 50540018_50540028, from (52.514726° N, 13.464786° E) to (52.514579° N, 13.466154° E)
B: Akazienstr., network link 43510001_43510002, from (52.489849° N, 13.353182° E) to (52.489213° N, 13.353380° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	"A"	error 1
Llama 3.3	"A"	error 1
Qwen · off	"B"	error 0
Qwen · on	"A"	error 1

test pairwise-berlin-028

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Ostpreußendamm, network link 39430009_39430023, from (52.412783° N, 13.300517° E) to (52.413688° N, 13.301547° E)
B: Neuendorfer Str., network link 33570015_33570037, from (52.541674° N, 13.205597° E) to (52.542887° N, 13.206273° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"A"	error 0

test pairwise-berlin-029

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Frankfurter Allee, network link 50540018_50540028, from (52.514726° N, 13.464786° E) to (52.514579° N, 13.466154° E)
B: 100 AS Schmargendorf Ausf n Mecklenburgi West, network link 39500041_39500006, from (52.479406° N, 13.306580° E) to (52.476878° N, 13.306348° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"A"	error 1

test pairwise-berlin-030

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Schätzelbergstr., network link 46470002_46480013, from (52.456109° N, 13.399753° E) to (52.457238° N, 13.399896° E)
B: Flatowallee, network link 35540004_35540005, from (52.509525° N, 13.241360° E) to (52.508234° N, 13.241872° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"B"	error 0

test pairwise-berlin-031

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Knaackstr., network link 47570001_47570028, from (52.540723° N, 13.414304° E) to (52.538459° N, 13.415135° E)
B: Sickingenstr., network link 40560004_40560005, from (52.530341° N, 13.314393° E) to (52.530777° N, 13.316724° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	"A"	error 0
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-032

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: 103 AK Schöneberg Hauptfahrbahn >NO, network link 42490059_T0000189, from (52.471891° N, 13.344321° E) to (52.473123° N, 13.349472° E)
B: Bethaniendamm, network link 47530002_47530014, from (52.505103° N, 13.421997° E) to (52.505055° N, 13.423110° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"A"	error 1
Qwen · off	"B"	error 0
Qwen · on	"A"	error 1

test pairwise-berlin-033

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: 103 AK Schöneberg Hauptfahrbahn >NO, network link 42490059_T0000189, from (52.471891° N, 13.344321° E) to (52.473123° N, 13.349472° E)
B: Föhrer Brücke, network link 42570003_42570012, from (52.538317° N, 13.344419° E) to (52.539115° N, 13.345034° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	"A"	error 0
Llama 3.3	"A"	error 0
Qwen · off	"A"	error 0
Qwen · on	"A"	error 0

test pairwise-berlin-034

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Heerstr., network link 27560001_27560002, from (52.528997° N, 13.119234° E) to (52.528661° N, 13.122361° E)
B: Neue Bahnhofstr., network link 51530003_51530009, from (52.506178° N, 13.470300° E) to (52.507791° N, 13.471818° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"A"	error 1

test pairwise-berlin-035

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Knaackstr., network link 47570001_47570028, from (52.540723° N, 13.414304° E) to (52.538459° N, 13.415135° E)
B: Kantstr., network link 39530016_39530025, from (52.506786° N, 13.300629° E) to (52.506777° N, 13.302333° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-036

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Eldenaer Str., network link 50540001_50540021, from (52.519849° N, 13.462506° E) to (52.519903° N, 13.463708° E)
B: Tauentzienstr., network link 42530035_T0000201, from (52.504406° N, 13.335684° E) to (52.504208° N, 13.336567° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	"B"	error 1
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-037

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Melanchthonplatz, network link 32550054_32550001, from (52.521678° N, 13.188939° E) to (52.520994° N, 13.189826° E)
B: Akazienstr., network link 43510001_43510002, from (52.489849° N, 13.353182° E) to (52.489213° N, 13.353380° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"B"	error 0

test pairwise-berlin-038

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Sickingenstr., network link 40560004_40560005, from (52.530341° N, 13.314393° E) to (52.530777° N, 13.316724° E)
B: 100 AS Kurfürstend (südl T) Ausf n Kurfürstend, network link 38520058_39520023, from (52.494872° N, 13.289417° E) to (52.493522° N, 13.291630° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"B"	error 0

test pairwise-berlin-039

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Drontheimer Str., network link 44590020_44590008, from (52.560741° N, 13.377031° E) to (52.556456° N, 13.377055° E)
B: Wiesbadener Str., network link 39490014_40490048, from (52.472752° N, 13.304233° E) to (52.472478° N, 13.308042° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"B"	error 0

test pairwise-berlin-040

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Saargemünder Str., network link 37470007_37470009, from (52.450938° N, 13.270724° E) to (52.450465° N, 13.276735° E)
B: Sandhauser Str., network link 33640001_33640005, from (52.601936° N, 13.210143° E) to (52.601516° N, 13.210391° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"A"	error 1

test pairwise-berlin-041

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Hugo-Cassirer-Str., network link 34590048_34590052, from (52.560220° N, 13.218902° E) to (52.559467° N, 13.218851° E)
B: 103 AS Wolfensteindamm Einf v Wolfensteindamm, network link 40470017_41480076, from (52.453452° N, 13.319278° E) to (52.455736° N, 13.322369° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-042

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: 103 AK Schöneberg Hauptfahrbahn >NO, network link 42490059_T0000189, from (52.471891° N, 13.344321° E) to (52.473123° N, 13.349472° E)
B: Friedrichsberger Str., network link 48550026_48550022, from (52.519827° N, 13.433451° E) to (52.521783° N, 13.435521° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	"A"	error 1
Llama 3.3	"A"	error 1
Qwen · off	"A"	error 1
Qwen · on	"A"	error 1

test pairwise-berlin-043

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Halskestr., network link 42470005_42470021, from (52.446944° N, 13.342419° E) to (52.447729° N, 13.343539° E)
B: Ernst-Reuter-Platz, network link 41540005_41540020, from (52.512522° N, 13.320799° E) to (52.512028° N, 13.322084° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-044

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Schillerstr., network link 44620029_44620054, from (52.587521° N, 13.370283° E) to (52.587065° N, 13.371808° E)
B: Roelckestr., network link 49580008_49580050, from (52.549124° N, 13.440820° E) to (52.549517° N, 13.441189° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"A"	error 0

test pairwise-berlin-045

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Heerstr., network link 27560001_27560002, from (52.528997° N, 13.119234° E) to (52.528661° N, 13.122361° E)
B: Suermondtstr., network link 52580014_53580013, from (52.550460° N, 13.495312° E) to (52.550012° N, 13.497350° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"A"	error 1

test pairwise-berlin-046

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Roelckestr., network link 49580008_49580050, from (52.549124° N, 13.440820° E) to (52.549517° N, 13.441189° E)
B: Neuendorfer Str., network link 33570015_33570037, from (52.541674° N, 13.205597° E) to (52.542887° N, 13.206273° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-047

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Ernst-Reuter-Platz, network link 41540005_41540020, from (52.512522° N, 13.320799° E) to (52.512028° N, 13.322084° E)
B: Schillerstr., network link 44620029_44620054, from (52.587521° N, 13.370283° E) to (52.587065° N, 13.371808° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	"A"	error 1
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"B"	error 0

test pairwise-berlin-048

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Am Eichenhain, network link 37670004_37670005, from (52.631783° N, 13.266615° E) to (52.631559° N, 13.266674° E)
B: Sickingenstr., network link 40560004_40560005, from (52.530341° N, 13.314393° E) to (52.530777° N, 13.316724° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-049

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Straße des 17. Juni, network link 41540007_41540028, from (52.513144° N, 13.330235° E) to (52.513238° N, 13.331614° E)
B: 100 AS Hohenzollerndamm Einf v Hohenzollernd O, network link 39510012_39510040, from (52.487914° N, 13.300594° E) to (52.491429° N, 13.295205° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"A"	error 1
Qwen · off	"B"	error 0
Qwen · on	"A"	error 1

test pairwise-berlin-050

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Löhleinstr., network link 38470025_38470036, from (52.450856° N, 13.280937° E) to (52.451541° N, 13.282560° E)
B: Buddestr., network link 38630008_38630010, from (52.592321° N, 13.285868° E) to (52.591293° N, 13.286616° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	"B"	error 1
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-051

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Am Eichenhain, network link 37670004_37670005, from (52.631783° N, 13.266615° E) to (52.631559° N, 13.266674° E)
B: Schätzelbergstr., network link 46470002_46480013, from (52.456109° N, 13.399753° E) to (52.457238° N, 13.399896° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-052

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: 100 AS Schmargendorf Ausfahrt n Konstanzer Str, network link 40510050_40510010, from (52.485436° N, 13.307382° E) to (52.487669° N, 13.308338° E)
B: Torfstr., network link 43570009_43570042, from (52.542176° N, 13.349475° E) to (52.540980° N, 13.351105° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"A"	error 1

test pairwise-berlin-053

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Kiefholzstr., network link 50500033_50500034, from (52.483718° N, 13.461425° E) to (52.481814° N, 13.464138° E)
B: Fischerhüttenstr., network link 35460003_35460022, from (52.442733° N, 13.240152° E) to (52.441619° N, 13.242366° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"B"	error 0

test pairwise-berlin-054

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Ostpreußendamm, network link 39430009_39430023, from (52.412783° N, 13.300517° E) to (52.413688° N, 13.301547° E)
B: Frankfurter Allee, network link 50540018_50540028, from (52.514726° N, 13.464786° E) to (52.514579° N, 13.466154° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-055

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Föhrer Brücke, network link 42570003_42570012, from (52.538317° N, 13.344419° E) to (52.539115° N, 13.345034° E)
B: Schätzelbergstr., network link 46470002_46480013, from (52.456109° N, 13.399753° E) to (52.457238° N, 13.399896° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	"A"	error 1
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"A"	error 1

test pairwise-berlin-056

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: ehemals 100 AS Schmargendorf Einf v Dillenburger Str, network link 40490096_39490018, from (52.468644° N, 13.307802° E) to (52.470687° N, 13.306520° E)
B: 100 AS Schmargendorf Ausfahrt n Konstanzer Str, network link 40510050_40510010, from (52.485436° N, 13.307382° E) to (52.487669° N, 13.308338° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-057

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Humboldtstr., network link 41600009_T0000568, from (52.569217° N, 13.329890° E) to (52.569504° N, 13.330864° E)
B: Neuendorfer Str., network link 33570015_33570037, from (52.541674° N, 13.205597° E) to (52.542887° N, 13.206273° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	"B"	error 1
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-berlin-058

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: 111 AS Saatwinkler Damm Ausf n Saatwinkler Damm, network link 39580014_39580003, from (52.546417° N, 13.299375° E) to (52.547953° N, 13.302380° E)
B: 100 AK Schöneberg Verb-Fb v A 100 Nord n A 103, network link 43500035_42500069, from (52.473921° N, 13.351491° E) to (52.473964° N, 13.351307° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	"A"	error 1
Llama 3.3	NoJSONAnswer	✗ no usable answer
Qwen · off	"B"	error 0
Qwen · on	"B"	error 0

test pairwise-berlin-059

Two road segments in Berlin. Both values come from the same official source and measurement basis (Umweltatlas DTV 2019, derived annual-average link estimate).
A: Drakestr., network link 39450013_39450014, from (52.436621° N, 13.303708° E) to (52.435078° N, 13.305426° E)
B: 113 ZB Dresden Hauptfb zw AS Späthstr u AD Neukölln, network link 50480021_50480020, from (52.461261° N, 13.456110° E) to (52.462904° N, 13.454718° E)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 1
Qwen · off	"B"	error 1
Qwen · on	"B"	error 1

test pairwise-dresden-000

Two road segments in Dresden. Both values come from the same official source and measurement basis (Pegelzählstelle (Induktionsschleifen), Jahresmittelwert).
A: Fritz-Foerster-Platz between Platzmitte (4948 059) and Bergstraße (Süd) (counting station 11004020)
B: Moritzburger Landstraße between Neuländer Straße and OD-Ende/Station 3978 (counting station 04061005)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	NoJSONAnswer	✗ no usable answer
Qwen · on	"A"	error 1

test pairwise-dresden-001

Two road segments in Dresden. Both values come from the same official source and measurement basis (Pegelzählstelle (Induktionsschleifen), Jahresmittelwert).
A: Fritz-Foerster-Platz between Platzmitte (4948 059) and Bergstraße (Süd) (counting station 11004020)
B: Radeberger Landstraße between Gänsefuß and Ullersdorf-Langebrücker Str. (counting station 06161020)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	NoJSONAnswer	✗ no usable answer
Llama 3.3	"B"	error 0
Qwen · off	"B"	error 0
Qwen · on	"B"	error 0

test pairwise-dresden-002

Two road segments in Dresden. Both values come from the same official source and measurement basis (Pegelzählstelle (Induktionsschleifen), Jahresmittelwert).
A: Großenhainer Straße between Weinbergstraße and Neuländer Straße (counting station 04001240)
B: Fritz-Foerster-Platz between Platzmitte (4948 059) and Bergstraße (Süd) (counting station 11004020)
Which segment has the higher average daily motor-vehicle volume? The two differ by at least a factor of two. Give your best judgement even if uncertain. Return only the JSON string "A" or "B".

Model	Answer given
Gemma 4	"A"	error 0
Llama 3.3	"B"	error 1
Qwen · off	NoJSONAnswer	✗ no usable answer
Qwen · on	"A"	error 0