Record 85059ebeaaac4bdfb8c65c7526e4737c

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: 202/280 · cost: $0.000198 · latency: 1200.1 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 85059ebe

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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 470 chars · 202 tokens in

At 8:00, Vera took the old box and placed it in the garage. At 8:01, Hugo moved the old box into the greenhouse. At 8:02, she moved the large tablet into the greenhouse. At 8:03, she brought the large tablet over to the garage. At 8:04, Hugo reorganized some papers on the desk. At 8:05, Elena refilled a cup of coffee. At 8:06, she checked their email.

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

Response 280 tokens out · finish: stop

unknown

Reasoning 1,184 chars

Model reasoning

We need to infer Gideon's belief about the old box location based on the events. We have a timeline of actions by Vera, Hugo, Elena. No mention of Gideon directly. Possibly Gideon observed some actions? The question: "Where does Gideon believe the old box is?" We need to infer based on what Gideon might have seen. Usually in such puzzles, each person sees some actions and forms beliefs. But we have no info about Gideon's observations. Maybe Gideon is not present, so unknown. Or maybe Gideon saw the last known location before he left? The timeline: 8:00 Vera placed old box in garage. 8:01 Hugo moved old box into greenhouse. So after 8:01, old box is in greenhouse. No further moves of old box. So the actual location is greenhouse. Gideon's belief: depends on what he saw. If Gideon wasn't present at 8:01, he might think it's still in garage. But we have no info. The puzzle likely expects "greenhouse" because that's where it was moved. But the phrase "believe" suggests maybe Gideon didn't see the move. Since no mention of Gideon seeing anything, answer unknown. Usually these puzzles give each person's perspective. Since Gideon not mentioned, unknown. So answer: unknown.

Realized dims 5

dim	value
context_length	7.0
coreference	1.0
distractors	2.0
entity_state	2.0
temporal	0.0

Latent params 5

param	value
chain_length	2.0
coref_pressure	1.0
distractor_events	2.0
filler_events	2.0
scramble	0.0