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Record c43c13e085944f34affa3f7dc3b2871d

FAIL

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

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

finish_reason: stop · tokens in/out: 302/1251 · cost: $0.000265 · latency: 12697.3 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: c43c13e0

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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 957 chars · 302 tokens in
At 8:00, Opal took the worn wrench and placed it in the utility closet. At 8:00, Clara was nearby and saw this happen. At 8:01, Opal carried the worn wrench to the conference room. At 8:01, Clara noticed this from across the room. At 8:02, she took the worn wrench and placed it in the south stairwell. At 8:03, Opal brought the worn wrench over to the lobby. At 8:03, Clara noticed this from across the room. At 8:04, Jamal took the worn wrench and placed it in the photo studio. At 8:04, she noticed this from across the room. At 8:05, Opal carried the worn wrench to the reception area. At 8:06, she moved the faded folder into the south stairwell. At 8:07, Clara carried the faded folder to the utility closet. At 8:08, she reorganized some papers on the desk. At 8:09, she refilled a cup of coffee. At 8:10, she checked their email.

Where does Clara believe the worn wrench is? Answer with only the location name (or 'unknown' if they have no belief).
Response 1,251 tokens out · finish: stop
reception area
Reasoning 4,756 chars
Model reasoning
We need to parse the scenario. It's a narrative about Opal and Clara moving a worn wrench and a faded folder. The question: "Where does Clara believe the worn wrench is? Answer with only the location name (or 'unknown' if they have no belief)."

We need to infer Clara's belief about where the worn wrench is, based on observations. Let's track timeline:

- 8:00: Opal took the worn wrench and placed it in the utility closet. Clara was nearby and saw this happen. So Clara sees Opal put the wrench in utility closet.

- 8:01: Opal carried the worn wrench to the conference room. At 8:01, Clara noticed this from across the room. So Clara sees Opal moving the wrench from utility closet to conference room? Actually she noticed this from across the room (maybe she sees Opal carrying it). So she knows it's now in conference room? She sees Opal carrying it, but does she know where it ends up? She sees Opal carrying it to conference room, so she knows it's now in conference room.

- 8:02: she took the worn wrench and placed it in the south stairwell. Wait "she" refers to Clara? The narrative: "At 8:02, she took the worn wrench and placed it in the south stairwell." The antecedent "she" likely refers to Clara, because earlier "Clara noticed this from across the room." So at 8:02, Clara took the worn wrench and placed it in the south stairwell. So Clara moves the wrench to south stairwell.

- 8:03: Opal brought the worn wrench over to the lobby. At 8:03, Clara noticed this from across the room. So Opal moves the wrench from south stairwell? Actually Opal brings the worn wrench over to the lobby. But Clara noticed this from across the room. So she sees Opal moving the wrench to lobby. So she knows it's now in lobby.

- 8:04: Jamal took the worn wrench and placed it in the photo studio. At 8:04, she noticed this from across the room. "she" likely Clara again. So Clara sees Jamal take the wrench and place it in photo studio.

- 8:05: Opal carried the worn wrench to the reception area. At 8:05, she noticed this from across the room. So Clara sees Opal moving the wrench to reception.

- 8:06: she moved the faded folder into the south stairwell. At 8:06, "she" likely Clara again? Actually earlier "she moved the faded folder into the south stairwell." Could be Clara moving the folder, not the wrench. So at 8:06, Clara moves the faded folder into the south stairwell. Not relevant to wrench.

- 8:07: Clara carried the faded folder to the utility closet. At 8:07, Clara carried the faded folder to the utility closet.

- 8:08: she reorganized some papers on the desk. At 8:08, "she" likely Clara reorganizing papers.

- 8:09: she refilled a cup of coffee.

- 8:10: she checked their email.

Thus, by 8:10, what does Clara believe the location of the worn wrench is? She has observed multiple movements. She saw Opal initially place it in utility closet, then move it to conference room, then she (Clara) moved it to south stairwell, then Opal moved it to lobby, then Jamal moved it to photo studio, then Opal moved it to reception. She observed each movement? Let's see timeline of observations:

- At 8:00, she saw Opal place it in utility closet.

- At 8:01, she saw Opal carry it to conference room.

- At 8:02, she took the wrench and placed it in south stairwell. So she moved it herself.

- At 8:03, she noticed Opal bring it to lobby.

- At 8:04, she noticed Jamal take it and place it in photo studio.

- At 8:05, she noticed Opal carry it to reception.

Thus, after 8:05, she has seen the wrench being moved to reception. She might think it's now in reception. However, after 8:05, there are no further mentions of the wrench. She might not have seen any further moves. So her belief at 8:10 (the present time) would be that the wrench is in the reception area, because that's the last location she observed it being placed. She might also be uncertain if it moved after that, but she hasn't observed any further moves. So she believes it's in the reception area.

But we need to consider that she might have seen Opal carry it to reception at 8:05, but then maybe after that, she might not know where it is. The question: "Where does Clara believe the worn wrench is?" At 8:10, she checked their email. She might not have seen any further movement of the wrench after 8:05. So her belief is that it's in the reception area.

Thus answer: reception area. But the location name? The narrative uses "reception area". So answer: reception area.

Check if any other nuance: She might think it's in the reception area because that's the last place she saw it. She might also think it's unknown if she hasn't seen it after that. But she did see it being placed there at 8:05. So she believes it's there.

Thus answer: reception area.
Realized dims 6
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context_length11.0
coreference1.0
distractors2.0
entity_state6.0
temporal0.0
witness_gap1.0
Latent params 6
paramvalue
chain_length6.0
coref_pressure0.0
distractor_events2.0
filler_events2.0
scramble0.0
witness_cutoff0.0