Record 8ebdf9bc26304284a11e31b437bdbbdf

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: 196/331 · cost: $0.000228 · latency: 1315.8 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 8ebdf9bc

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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 449 chars · 196 tokens in

At 8:00, Omar brought the red box over to the west wing. At 8:01, Juno took the red box and placed it in the basement. At 8:02, Elliot took the dusty tablet and placed it in the workshop. At 8:03, he carried the dusty tablet to the basement. At 8:04, Juno reorganized some papers on the desk. At 8:05, Omar refilled a cup of coffee.

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

Response 331 tokens out · finish: stop

unknown

Reasoning 1,355 chars

Model reasoning

We need to infer Elliot's belief about the red box location based on events. Timeline:

8:00 Omar brought red box to west wing.
8:01 Juno took red box and placed it in basement.
8:02 Elliot took dusty tablet and placed it in workshop.
8:03 he (Elliot) carried dusty tablet to basement.
8:04 Juno reorganized papers on desk. (no effect)
8:05 Omar refilled coffee.

Elliot never observed red box being moved after 8:00? At 8:00 Omar brought red box to west wing. Did Elliot see that? Not specified. We assume Elliot is aware of events? Usually belief reasoning: Elliot only knows about events he observed. He observed at 8:02 and 8:03 moving tablet. He didn't see red box moves. So his belief about red box location is based on last known info he has. Did he know about 8:00? Not given. If not, unknown. But maybe all participants share common knowledge? The question: "Where does Elliot believe the red box is?" Since Elliot didn't see Juno move it, he might still think it's in west wing (last known location). However, does he know that Omar brought it to west wing? Possibly he observed that at 8:00? Not specified. Usually these puzzles assume each person only knows actions they performed or observed. Since only actions listed, we assume Elliot only knows his own actions (tablet). So he has no belief about red box => unknown.

Thus answer: unknown.

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