Record 0312f7048028480f9b25d14080979794

FAIL

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

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

finish_reason: stop · tokens in/out: 190/284 · cost: $0.000199 · latency: 1133.8 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 0312f704

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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 432 chars · 190 tokens in

At 8:00, Quentin moved the sturdy box into the mail room. At 8:01, Vera moved the sturdy box into the gym. At 8:02, Sana moved the worn basket into the mail room. At 8:03, Vera carried the worn basket to the north stairwell. At 8:04, Sana reorganized some papers on the desk. At 8:05, she refilled a cup of coffee.

Where does Sana believe the sturdy box is? Answer with only the location name (or 'unknown' if they have no belief).

Response 284 tokens out · finish: stop

unknown

Reasoning 1,042 chars

Model reasoning

We need to infer Sana's belief about the sturdy box location based on events and possibly perspective. At 8:00 Quentin moved the sturdy box into the mail room. At 8:01 Vera moved the sturdy box into the gym. So after 8:01, the sturdy box is in the gym. At 8:02 Sana moved the worn basket into the mail room. At 8:03 Vera carried the worn basket to the north stairwell. At 8:04 Sana reorganized some papers on the desk. At 8:05 she refilled a cup of coffee.

We need Sana's belief about the sturdy box. Does Sana have any knowledge of the sturdy box moves? She observed only at 8:02 onward. She didn't see the moves of the sturdy box at 8:00 or 8:01. So she may not know about it. She might have no belief (unknown). However, could she infer from being present? The timeline: At 8:00 Quentin moved the sturdy box into the mail room. At 8:01 Vera moved the sturdy box into the gym. If Sana was present at 8:00 or 8:01? Not indicated. She only appears at 8:02 onward. So she likely doesn't know about the sturdy box location. So answer: unknown.

Realized dims 5

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context_length	6.0
coreference	1.0
distractors	2.0
entity_state	2.0
temporal	0.0

Latent params 5

param	value
chain_length	2.0
coref_pressure	0.0
distractor_events	2.0
filler_events	2.0
scramble	0.0