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Record 057f63e2f6be4d93b411c00db31c3e12

FAIL

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

✕FAILanswered "unknown" · model gpt-oss-120b

finish_reason: stop · tokens in/out: 569/723 · cost: $0.000519 · latency: 9346.9 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 057f63e2

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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 1,782 chars · 569 tokens in
At 8:15, Noor took the blue wrench and placed it in the photo studio. At 8:16, Oscar brought the blue wrench over to the cafeteria. At 8:17, Leon moved the blue wrench into the photo studio. At 8:19, Juno brought the blue wrench over to the archive room. At 8:14, Oscar took the blue wrench and placed it in the archive room. At 8:20, Dexter brought the blue wrench over to the west wing. At 8:21, Noor took the blue wrench and placed it in the photo studio. At 8:22, she reorganized some papers on the desk. At 8:23, Hakim refilled a cup of coffee. At 8:24, Roman checked their email. At 8:25, Dexter checked their email. At 8:26, Hakim reorganized some papers on the desk. At 8:27, Leon made a quick phone call. At 8:28, Oscar made a quick phone call. At 8:18, Hakim carried the blue wrench to the west wing. At 8:00, Kira took the old basket and placed it in the west wing. At 8:01, Dexter carried the old basket to the photo studio. At 8:02, Juno moved the blue wrench into the cafeteria. At 8:03, Kira brought the blue wrench over to the west wing. At 8:04, Roman moved the blue wrench into the archive room. At 8:05, Oscar moved the blue wrench into the photo studio. At 8:06, Kira carried the blue wrench to the cafeteria. At 8:07, she moved the blue wrench into the photo studio. At 8:08, Juno brought the blue wrench over to the west wing. At 8:09, Roman carried the blue wrench to the photo studio. At 8:10, Kira brought the blue wrench over to the west wing. At 8:11, Oscar took the blue wrench and placed it in the photo studio. At 8:12, Dexter carried the blue wrench to the cafeteria. At 8:13, Oscar brought the blue wrench over to the photo studio.

Where does Oscar believe the old basket is? Answer with only the location name (or 'unknown' if they have no belief).
Response 723 tokens out · finish: stop
unknown
Reasoning 3,026 chars
Model reasoning
We need to parse the timeline and infer Oscar's belief about the old basket location. The old basket events: At 8:00, Kira took the old basket and placed it in the west wing. At 8:01, Dexter carried the old basket to the photo studio. No other mentions of old basket. So the actual location after 8:01 is photo studio (assuming no further moves). Oscar's belief: we need to infer what Oscar believes based on his observations. Oscar sees events involving the blue wrench and possibly other actions. Does Oscar have any info about the old basket? He might have observed Kira moving it? Let's see timeline order with timestamps.

List events sorted by time:

8:00 Kira took the old basket and placed it in the west wing.
8:01 Dexter carried the old basket to the photo studio.
8:02 Juno moved the blue wrench into the cafeteria.
8:03 Kira brought the blue wrench over to the west wing.
8:04 Roman moved the blue wrench into the archive room.
8:05 Oscar moved the blue wrench into the photo studio.
8:06 Kira carried the blue wrench to the cafeteria.
8:07 she moved the blue wrench into the photo studio. (she = Kira)
8:08 Juno brought the blue wrench over to the west wing.
8:09 Roman carried the blue wrench to the photo studio.
8:10 Kira brought the blue wrench over to the west wing.
8:11 Oscar took the blue wrench and placed it in the photo studio.
8:12 Dexter carried the blue wrench to the cafeteria.
8:13 Oscar brought the blue wrench over to the photo studio.
8:14 Oscar took the blue wrench and placed it in the archive room.
8:15 Noor took the blue wrench and placed it in the photo studio.
8:16 Oscar brought the blue wrench over to the cafeteria.
8:17 Leon moved the blue wrench into the photo studio.
8:18 Hakim carried the blue wrench to the west wing.
8:19 Juno brought the blue wrench over to the archive room.
8:20 Dexter brought the blue wrench over to the west wing.
8:21 Noor took the blue wrench and placed it in the photo studio.
8:22 she reorganized some papers on the desk. (she = Noor)
8:23 Hakim refilled a cup of coffee.
8:24 Roman checked their email.
8:25 Dexter checked their email.
8:26 Hakim reorganized some papers on the desk.
8:27 Leon made a quick phone call.
8:28 Oscar made a quick phone call.

Now, Oscar's belief about old basket: He only observed events that involve him directly or possibly he observed others? We need to infer based on his knowledge. At 8:00 Kira took the old basket and placed it in the west wing. Did Oscar see that? Not mentioned. At 8:01 Dexter carried the old basket to the photo studio. Did Oscar see that? Not mentioned. Oscar's first involvement is at 8:05 moving blue wrench. So Oscar may not have observed the old basket moves. Therefore his belief about its location might be unknown or based on default? The question: "Where does Oscar believe the old basket is?" We need to consider Oscar's belief given the information he has. Since no mention of Oscar seeing the basket, he likely doesn't know its location, so belief is unknown.

Thus answer: unknown.
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context_length29.0
coreference13.0
distractors20.0
entity_state2.0
temporal0.5517241379310345
Latent params 5
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coref_pressure5.0
distractor_events20.0
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