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Record e696a669eed84a0e83ef9adb30c512e4

FAIL

Verdict and provenance first; raw prompt/response/reasoning below, collapsed.

✕FAILanswered "unknown" · model gpt-oss-120b

finish_reason: stop · tokens in/out: 197/379 · cost: $0.000257 · latency: 8238.3 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: e696a669

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Why did it fail? Nemotron 3 Ultra · live on Nebius Token Factory

Ultra reads the prompt, this answer, the verified correct answer and the difficulty settings, then explains the mistake. The verifier's own classification is shown next to it for comparison.

Prompt 455 chars · 197 tokens in
At 8:00, Jasper took the old box and placed it in the front office. At 8:01, Vera carried the old box to the west wing. At 8:02, he took the faded folder and placed it in the west wing. At 8:03, Bruno carried the faded folder to the north stairwell. At 8:04, Vera reorganized some papers on the desk. At 8:05, she refilled a cup of coffee.

Where does Bruno believe the old box is? Answer with only the location name (or 'unknown' if they have no belief).
Response 379 tokens out · finish: stop
unknown
Reasoning 1,540 chars
Model reasoning
We need to parse the scenario. At 8:00, Jasper took the old box and placed it in the front office. At 8:01, Vera carried the old box to the west wing. So after 8:01, the old box is in the west wing. At 8:02, he (who? "he" refers to Jasper? Actually "he took the faded folder and placed it in the west wing." Probably Jasper took the faded folder and placed it in the west wing. Not relevant to old box. At 8:03, Bruno carried the faded folder to the north stairwell. So Bruno moved the faded folder, not the old box. At 8:04, Vera reorganized some papers on the desk. At 8:05, she refilled a cup of coffee.

Question: Where does Bruno believe the old box is? We need to infer Bruno's belief based on his knowledge. Did Bruno see any movement of the old box? He was not present in the earlier events. He only appears at 8:03 moving the faded folder. He didn't see the old box being moved. So his belief about the old box location would be whatever he last knew. If he never saw it, maybe unknown. But perhaps he knows that Jasper placed it in front office at 8:00? Did he witness that? Not indicated. The narrative is third-person; we don't know Bruno's perspective. Usually, unless specified, characters only know actions they performed or observed. Bruno only performed action with faded folder. He didn't see the old box moved. So his belief about old box location is unknown (or maybe front office if he knows Jasper placed it there before leaving). But we have no evidence he knows that. The safe answer: unknown.

Thus answer: unknown.
Realized dims 5
dimvalue
context_length6.0
coreference1.0
distractors2.0
entity_state2.0
temporal0.0
Latent params 5
paramvalue
chain_length2.0
coref_pressure0.0
distractor_events2.0
filler_events2.0
scramble0.0