Record ab8b7d175dac4acba9eb176577895122

FAIL

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

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✕FAILanswered "meditation room" · model gpt-oss-120b

finish_reason: stop · tokens in/out: 706/434 · cost: $0.000366 · latency: 10039.2 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: ab8b7d17

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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 2,241 chars · 706 tokens in

At 8:00, Lucas brought the faded box over to the photo studio. At 8:01, he brought the faded box over to the meditation room. At 8:02, Greta took the faded box and placed it in the utility closet. At 8:03, Piers took the faded box and placed it in the reception area. At 8:04, Jamal moved the faded box into the utility closet. At 8:05, he moved the faded box into the gym. At 8:06, Wyatt carried the faded box to the basement. At 8:07, he moved the faded box into the server room. At 8:08, Jamal brought the faded box over to the south stairwell. At 8:09, Greta took the faded box and placed it in the reception area. At 8:10, Piers moved the red wrench into the basement. At 8:11, Lucas took the red wrench and placed it in the cafeteria. At 8:12, he carried the red wrench to the server room. At 8:13, Jamal moved the red wrench into the south stairwell. At 8:14, Victor took the red wrench and placed it in the workshop. At 8:15, Gideon took the red wrench and placed it in the reception area. At 8:16, Lucas moved the red wrench into the gym. At 8:17, Jamal carried the red wrench to the print room. At 8:18, Wyatt brought the red wrench over to the cafeteria. At 8:19, Greta carried the red wrench to the break room. At 8:20, she moved the red wrench into the gym. At 8:21, Cyrus carried the red wrench to the server room. At 8:22, Victor carried the red wrench to the utility closet. At 8:23, Gideon moved the red wrench into the break room. At 8:24, Piers moved the red wrench into the reception area. At 8:25, Greta carried the red wrench to the server room. At 8:26, Jamal moved the red wrench into the cafeteria. At 8:27, she took the red wrench and placed it in the reception area. At 8:28, Piers carried the red wrench to the utility closet. At 8:29, Jamal took the red wrench and placed it in the south stairwell. At 8:30, Wyatt reorganized some papers on the desk. At 8:31, he refilled a cup of coffee. At 8:32, Victor checked their email. At 8:33, Gideon checked their email. At 8:34, Lucas reorganized some papers on the desk. At 8:35, Piers made a quick phone call. At 8:36, Jamal made a quick phone call.

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

Response 434 tokens out · finish: stop

meditation room

Reasoning 1,883 chars

Model reasoning

We need to infer Lucas's belief about the faded box location based on events and possibly knowledge. We have a timeline of actions by various people moving the faded box and red wrench. Need to track Lucas's knowledge: what does Lucas know? Usually in such puzzles, each person only knows actions they performed or observed? The problem likely expects that Lucas only knows about his own actions and maybe what he observed. We need to determine where Lucas believes the faded box is at the end (after 8:09? Actually timeline continues to 8:36). The faded box moves only up to 8:09. After that, only red wrench moves. So Lucas's belief about faded box depends on his knowledge of moves after his own involvement.

Let's list faded box moves:

8:00 Lucas brought faded box to photo studio.
8:01 Lucas brought faded box to meditation room.
8:02 Greta took faded box and placed it in utility closet.
8:03 Piers took faded box and placed it in reception area.
8:04 Jamal moved faded box into utility closet.
8:05 Jamal moved faded box into gym.
8:06 Wyatt carried faded box to basement.
8:07 Wyatt moved faded box into server room.
8:08 Jamal brought faded box to south stairwell.
8:09 Greta took faded box and placed it in reception area.

After 8:09 no more faded box moves.

Now, what does Lucas know? He performed actions at 8:00 and 8:01. He may have observed later moves? Not specified. Usually each person only knows about actions they performed or observed directly. If Lucas didn't see later moves, his belief would be based on last known location he observed: after 8:01 he placed it in meditation room. Did he see Greta take it at 8:02? Not indicated. So his belief likely remains that it's in meditation room, unless he later observed something else. No later mention of Lucas moving faded box. So Lucas believes faded box is in meditation room.

Thus answer: meditation room.

Realized dims 5

dim	value
context_length	37.0
coreference	21.0
distractors	20.0
entity_state	10.0
temporal	0.0

Latent params 5

param	value
chain_length	10.0
coref_pressure	5.0
distractor_events	20.0
filler_events	2.0
scramble	0.0