Record 44e7ae2784c34371b6b2f23fb396175c

FAIL

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

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✕FAILanswered "café." · model gpt-oss-120b

finish_reason: stop · tokens in/out: 188/222 · cost: $0.000161 · latency: 6253.2 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 44e7ae27

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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 444 chars · 188 tokens in

At 8:00, Sofia carried the old tablet to the archive room. At 8:01, Cyrus moved the old tablet into the cafeteria. At 8:02, Oscar moved the blue wrench into the cafeteria. At 8:03, Cyrus carried the blue wrench to the supply closet. At 8:04, Sofia reorganized some papers on the desk. At 8:05, Oscar refilled a cup of coffee.

Where does Cyrus believe the old tablet is? Answer with only the location name (or 'unknown' if they have no belief).

Response 222 tokens out · finish: stop

café.

Reasoning 883 chars

Model reasoning

We need to infer beliefs based on actions and possibly knowledge. The scenario: At 8:00, Sofia carried the old tablet to the archive room. At 8:01, Cyrus moved the old tablet into the cafeteria. At 8:02, Oscar moved the blue wrench into the cafeteria. At 8:03, Cyrus carried the blue wrench to the supply closet. At 8:04, Sofia reorganized some papers on the desk. At 8:05, Oscar refilled a cup of coffee.

Question: Where does Cyrus believe the old tablet is? Need to consider Cyrus's knowledge. At 8:01, Cyrus moved the old tablet into the cafeteria. So at that moment, Cyrus knows he moved it there. After that, any later events that could affect his belief? Did anyone else move the tablet after 8:01? No. So Cyrus still believes it's in the cafeteria. Unless he later sees something contradictory. No mention of Cyrus seeing anything else about the tablet. So answer: cafeteria.

Realized dims 5

dim	value
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