Record 50d88d6b7a5842dc888974c968286552

FAIL

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

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

finish_reason: stop · tokens in/out: 490/357 · cost: $0.000288 · latency: 5516.7 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 50d88d6b

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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 1,505 chars · 490 tokens in

At 8:00, Xiomara carried the large box to the kitchen. At 8:01, she moved the large box into the reception area. At 8:02, she moved the worn folder into the reception area. At 8:03, Quentin brought the worn folder over to the loading dock. At 8:04, she moved the worn folder into the gym. At 8:05, she took the worn folder and placed it in the loading dock. At 8:06, Juno brought the worn folder over to the kitchen. At 8:07, Quentin carried the worn folder to the loading dock. At 8:08, she brought the worn folder over to the kitchen. At 8:09, she carried the worn folder to the gym. At 8:10, Xiomara carried the worn folder to the reception area. At 8:11, Quentin brought the worn folder over to the kitchen. At 8:12, she brought the worn folder over to the gym. At 8:13, he moved the worn folder into the loading dock. At 8:14, she took the worn folder and placed it in the reception area. At 8:15, she brought the worn folder over to the gym. At 8:16, Juno took the worn folder and placed it in the kitchen. At 8:17, she moved the worn folder into the gym. At 8:18, she moved the worn folder into the kitchen. At 8:19, Quentin moved the worn folder into the reception area. At 8:20, Xiomara moved the worn folder into the gym. At 8:21, she carried the worn folder to the reception area. At 8:22, Quentin reorganized some papers on the desk. At 8:23, Juno refilled a cup of coffee.

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

Response 357 tokens out · finish: stop

unknown

Reasoning 1,496 chars

Model reasoning

We need to parse the scenario. The narrative includes actions by multiple people moving a "large box" and a "worn folder". The question: "Where does Quentin believe the large box is?" So we need to infer Quentin's belief about the location of the large box, based on his knowledge (what he observed). We need to track what Quentin knows. The timeline:

8:00 Xiomara carried the large box to the kitchen.
8:01 she moved the large box into the reception area.
After that, no further mentions of the large box. So the actual location of the large box is reception area (assuming no further moves). But the question is about Quentin's belief. Did Quentin see any moves of the large box? Let's see Quentin's actions: At 8:03 Quentin brought the worn folder over to the loading dock. At 8:07 Quentin carried the worn folder to the loading dock. At 8:11 Quentin brought the worn folder over to the kitchen. At 8:13 he moved the worn folder into the loading dock. At 8:19 Quentin moved the worn folder into the reception area. At 8:22 Quentin reorganized some papers on the desk. No mention of large box. Did Quentin see Xiomara moving the large box? At 8:00 Xiomara carried the large box to the kitchen. At 8:01 she moved the large box into the reception area. If Quentin was present? Not indicated. We assume unless specified, they didn't see. So Quentin's belief about large box: unknown (since he never observed). However, maybe he could infer from seeing Xiomara? Not mentioned. So answer "unknown".

Realized dims 5

dim	value
context_length	24.0
coreference	1.0
distractors	20.0
entity_state	2.0
temporal	0.0

Latent params 5

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