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Record 501390b5cc9b49149a4d51b754f2860a

FAIL

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

✕FAILanswered "reception" · model Nemotron 3 Nano 30B

finish_reason: stop · tokens in/out: 171/448 · cost: $0.000098 · latency: 5389.0 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 501390b5

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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 528 chars · 171 tokens in
At 8:00, Leon took the shiny tablet and placed it in the reception area. At 8:00, Noor noticed this from across the room. At 8:01, Uma brought the shiny tablet over to the gym. At 8:02, Leon moved the worn wrench into the gym. At 8:03, she carried the worn wrench to the photo studio. At 8:04, she reorganized some papers on the desk. At 8:05, Noor refilled a cup of coffee. At 8:06, she checked their email.

Where does Noor believe the shiny tablet is? Answer with only the location name (or 'unknown' if they have no belief).
Response 448 tokens out · finish: stop
reception
Reasoning 1,689 chars
Model reasoning
We need to parse the scenario. It's a timeline of actions. At 8:00, Leon took the shiny tablet and placed it in the reception area. At 8:00, Noor noticed this from across the room. So Noor sees Leon place the shiny tablet in reception. At 8:01, Uma brought the shiny tablet over to the gym. So the tablet is moved from reception to gym by Uma at 8:01. At 8:02, Leon moved the worn wrench into the gym. At 8:03, she carried the worn wrench to the photo studio. At 8:04, she reorganized some papers on the desk. At 8:05, Noor refilled a cup of coffee. At 8:06, she checked their email.

Question: Where does Noor believe the shiny tablet is? Answer with only the location name (or 'unknown' if they have no belief). So we need to infer Noor's belief about where the shiny tablet is, based on observations up to 8:06? She observed at 8:00 that Leon placed it in reception. Then at 8:01, Uma brought the shiny tablet over to the gym. Did Noor see that? Not explicitly stated that she saw it. She noticed at 8:00. Then later events involve the tablet being moved to gym, but we don't know if Noor observed that. She might not know it moved. So her belief might still be that it's in reception, unless she saw it moved. The question: "Where does Noor believe the shiny tablet is?" We need to infer based on what she observed. She observed at 8:00 that Leon placed it in reception. She didn't see later moves. So she believes it's in reception. However, at 8:01, Uma brought the shiny tablet over to the gym. Did Noor see that? Not mentioned. So she might not know. So her belief is reception. The location name: "reception". So answer: reception. Must output only location name. So "reception".
Realized dims 6
dimvalue
context_length7.0
coreference1.0
distractors2.0
entity_state2.0
temporal0.0
witness_gap1.0
Latent params 6
paramvalue
chain_length2.0
coref_pressure0.0
distractor_events2.0
filler_events2.0
scramble0.0
witness_cutoff0.45