Record c52f1d9b136f4dcebeada7e879add0c8

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: 491/224 · cost: $0.000208 · latency: 5263.1 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: c52f1d9b

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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 1,537 chars · 491 tokens in

At 8:00, Oscar brought the green box over to the rooftop terrace. At 8:01, Noor brought the green box over to the front office. At 8:02, he took the green tablet and placed it in the lobby. At 8:03, he moved the green tablet into the front office. At 8:04, Noor carried the green tablet to the west wing. At 8:05, she moved the green tablet into the front office. At 8:06, Xiomara carried the green tablet to the lobby. At 8:07, Noor carried the green tablet to the rooftop terrace. At 8:08, Oscar carried the green tablet to the west wing. At 8:09, he brought the green tablet over to the rooftop terrace. At 8:10, he took the green tablet and placed it in the west wing. At 8:11, he brought the green tablet over to the lobby. At 8:12, Noor carried the green tablet to the front office. At 8:13, he moved the green tablet into the rooftop terrace. At 8:14, he carried the green tablet to the west wing. At 8:15, he carried the green tablet to the rooftop terrace. At 8:16, Noor carried the green tablet to the front office. At 8:17, he carried the green tablet to the rooftop terrace. At 8:18, Xiomara carried the green tablet to the west wing. At 8:19, he moved the green tablet into the front office. At 8:20, she moved the green tablet into the rooftop terrace. At 8:21, Noor carried the green tablet to the front office. At 8:22, she reorganized some papers on the desk. At 8:23, Oscar refilled a cup of coffee.

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

Response 224 tokens out · finish: stop

unknown

Reasoning 900 chars

Model reasoning

We need to parse the narrative. It's about actions with green box and green tablet. The question: "Where does Xiomara believe the green box is?" We need to infer Xiomara's belief based on events. The narrative mentions Xiomara carrying the green tablet at times, but does she have any belief about the green box? The green box was moved at 8:00 by Oscar to rooftop terrace, then at 8:01 Noor brought the green box to front office. After that, no further mentions of green box. So the last known location of green box is front office (at 8:01). But Xiomara's belief? Did Xiomara see any moves of the green box? She only appears later moving the green tablet. No mention of Xiomara seeing the green box. So she may not have a belief; unknown. The question: "Where does Xiomara believe the green box is?" If she hasn't observed, she might not have a belief, so answer "unknown". Probably answer unknown.

Realized dims 5

dim	value
context_length	24.0
coreference	1.0
distractors	20.0
entity_state	2.0
temporal	0.0

Latent params 5

param	value
chain_length	2.0
coref_pressure	0.0
distractor_events	20.0
filler_events	2.0
scramble	0.0