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Record 6fac10e166a44fb4af497acca6143638

FAIL

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

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

finish_reason: stop · tokens in/out: 630/1213 · cost: $0.000822 · latency: 458417.5 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 6fac10e1

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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 2,038 chars · 630 tokens in
At 8:17, Wren carried the heavy wrench to the greenhouse. At 8:18, she carried the heavy wrench to the storage room. At 8:19, she carried the heavy wrench to the archive room. At 8:20, Hakim brought the heavy wrench over to the garage. At 8:21, Quentin carried the heavy wrench to the basement. At 8:22, Hakim moved the heavy wrench into the courtyard. At 8:23, Quentin carried the heavy wrench to the reception area. At 8:16, Hakim carried the heavy wrench to the gym. At 8:24, Wren took the heavy wrench and placed it in the garage. At 8:25, he brought the heavy wrench over to the storage room. At 8:26, she carried the heavy wrench to the courtyard. At 8:27, he moved the heavy wrench into the garage. At 8:28, he took the heavy wrench and placed it in the cafeteria. At 8:29, he moved the heavy wrench into the garage. At 8:30, Wren reorganized some papers on the desk. At 8:31, she refilled a cup of coffee. At 8:07, she took the large wrench and placed it in the garage. At 8:00, Hakim took the large wrench and placed it in the reception area. At 8:01, he took the large wrench and placed it in the break room. At 8:02, Quentin brought the large wrench over to the gym. At 8:03, Wren brought the large wrench over to the reception area. At 8:04, Hakim moved the large wrench into the storage room. At 8:05, she took the large wrench and placed it in the reception area. At 8:06, he moved the large wrench into the break room. At 8:08, he moved the large wrench into the storage room. At 8:09, Quentin carried the large wrench to the archive room. At 8:10, Hakim took the heavy wrench and placed it in the greenhouse. At 8:11, he carried the heavy wrench to the gym. At 8:12, Wren brought the heavy wrench over to the courtyard. At 8:13, she took the heavy wrench and placed it in the cafeteria. At 8:14, Quentin brought the heavy wrench over to the gym. At 8:15, she moved the heavy wrench into the greenhouse.

Where does Wren believe the large wrench is? Answer with only the location name (or 'unknown' if they have no belief).
Response 1,213 tokens out · finish: stop
garage
Reasoning 4,623 chars
Model reasoning
We need to parse timeline and determine Wren's belief about location of large wrench. Need to track events and knowledge of Wren. She may have observed some moves, maybe not all. We need to infer her belief based on what she knows (i.e., events she observed or participated in). The timeline includes many actions by various people, with timestamps. We need to consider that Wren's belief updates when she sees or is involved in moving the large wrench. She may not know moves she didn't witness. Also pronouns: "she" refers to Wren? In many lines, "she" is Wren. Also "he" could be Hakim or Quentin? Need to map.

Let's list events in chronological order (by time). Times from 8:00 to 8:31.

I'll list each event with actor and action, and note if Wren is actor or observer.

Events:

8:00, Hakim took the large wrench and placed it in the reception area.
8:01, he took the large wrench and placed it in the break room. (He = Hakim? Probably same person, Hakim)
8:02, Quentin brought the large wrench over to the gym.
8:03, Wren brought the large wrench over to the reception area.
8:04, Hakim moved the large wrench into the storage room.
8:05, she took the large wrench and placed it in the reception area. (She = Wren)
8:06, he moved the large wrench into the break room. (He = Hakim? Could be Hakim again)
8:07, she took the large wrench and placed it in the garage. (She = Wren)
8:08, he moved the large wrench into the storage room. (He = Hakim)
8:09, Quentin carried the large wrench to the archive room.
8:10, Hakim took the heavy wrench and placed it in the greenhouse. (Heavy wrench, not large)
8:11, he carried the heavy wrench to the gym. (He = Hakim)
8:12, Wren brought the heavy wrench over to the courtyard.
8:13, she took the heavy wrench and placed it in the cafeteria. (She = Wren)
8:14, Quentin brought the heavy wrench over to the gym.
8:15, she moved the heavy wrench into the greenhouse. (She = Wren)
8:16, Hakim carried the heavy wrench to the gym.
8:17, Wren carried the heavy wrench to the greenhouse.
8:18, she carried the heavy wrench to the storage room. (She = Wren)
8:19, she carried the heavy wrench to the archive room. (She = Wren)
8:20, Hakim brought the heavy wrench over to the garage.
8:21, Quentin carried the heavy wrench to the basement.
8:22, Hakim moved the heavy wrench into the courtyard.
8:23, Quentin carried the heavy wrench to the reception area.
8:24, Wren took the heavy wrench and placed it in the garage.
8:25, he brought the heavy wrench over to the storage room. (He = ? Could be Hakim? The pronoun after Wren's action; likely Hakim)
8:26, she carried the heavy wrench to the courtyard. (She = Wren)
8:27, he moved the heavy wrench into the garage. (He = Hakim)
8:28, he took the heavy wrench and placed it in the cafeteria. (He = Hakim)
8:29, he moved the heavy wrench into the garage. (He = Hakim)
8:30, Wren reorganized some papers on the desk. (non-wrench)
8:31, she refilled a cup of coffee. (She = Wren)

Now we need to track Wren's belief about the large wrench location. She may have observed some moves: her own actions, and possibly others if she was present? Usually belief updates only when she directly sees the wrench moved. The problem likely expects that Wren only knows about moves she performed herself, not others. So we track the large wrench timeline and note which moves Wren performed.

Large wrench timeline:

Start unknown? At 8:00, Hakim placed it in reception area. Wren not present (maybe). She may not know.

8:01, Hakim moved to break room. Wren not aware.

8:02, Quentin moved to gym. Wren not aware.

8:03, Wren brought it to reception area. So at 8:03, Wren sees it and moves it to reception area. She now believes it's at reception area.

8:04, Hakim moves to storage room. Wren not aware (unless she sees). Probably not.

8:05, she (Wren) took it and placed it in reception area. So she moves it again to reception area (maybe it was elsewhere). She now believes it's at reception area.

8:06, he (Hakim) moves to break room. Wren not aware.

8:07, she (Wren) took it and placed it in garage. She moves it to garage. She now believes it's in garage.

8:08, he (Hakim) moves to storage room. Wren not aware.

8:09, Quentin moves to archive room. Wren not aware.

After 8:09, no more large wrench moves are mentioned. So last known action by Wren is at 8:07 moving it to garage. She hasn't observed any later moves. So her belief is that the large wrench is in the garage.

Thus answer: garage.

Check if any later actions by Wren involve large wrench? No, later actions are heavy wrench. So answer: garage.

Return only location name.
Realized dims 5
dimvalue
context_length32.0
coreference1.0
distractors20.0
entity_state10.0
temporal0.5443548387096774
Latent params 5
paramvalue
chain_length10.0
coref_pressure0.0
distractor_events20.0
filler_events2.0
scramble1.0