Data to …… trials

Record 05b8036a48c84427b3f32d5396b65621

FAIL

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

✕FAILanswered "east wing" · model Nemotron 3 Nano 30B

finish_reason: stop · tokens in/out: 1520/3677 · cost: $0.000811 · latency: 25995.2 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 05b8036a

← prev trial · trial 35 of 56 · next trial →

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 4,824 chars · 1,520 tokens in
At 8:26, Piers took the blue basket and placed it in the storage room. At 8:27, Kian moved the blue basket into the observation deck. At 8:28, he moved the blue basket into the break room. At 8:29, Piers moved the blue basket into the library. At 8:30, Beatrix carried the blue basket to the garage. At 8:31, she moved the blue basket into the supply closet. At 8:32, Ivo moved the blue basket into the server room. At 8:33, he moved the blue basket into the supply closet. At 8:34, Vera carried the blue basket to the library. At 8:35, Kian moved the blue basket into the reception area. At 8:36, Wyatt moved the blue basket into the garage. At 8:37, Vera carried the blue basket to the break room. At 8:38, he brought the blue basket over to the observation deck. At 8:39, Piers carried the blue basket to the cafeteria. At 8:40, Ivo carried the blue basket to the storage room. At 8:41, he reorganized some papers on the desk. At 8:42, Piers refilled a cup of coffee. At 8:43, Wyatt glanced at the clock. At 8:44, Lena glanced at the clock. At 8:45, Beatrix reorganized some papers on the desk. At 8:46, Lena refilled a cup of coffee. At 8:47, Wyatt refilled a cup of coffee. At 8:48, Kian glanced at the clock. At 8:49, Vera stretched and looked out the window. At 8:50, Ivo stretched and looked out the window. At 8:51, Wyatt made a quick phone call. At 8:52, Piers reorganized some papers on the desk. At 8:53, Wyatt stretched and looked out the window. At 8:54, Kian glanced at the clock. At 8:55, Willa made a quick phone call. At 8:56, Vera made a quick phone call. At 8:57, Beatrix made a quick phone call. At 8:58, Kian checked their email. At 8:59, Vera reorganized some papers on the desk. At 9:00, Willa made a quick phone call. At 9:01, Beatrix checked their email. At 9:02, Vera checked their email. At 9:03, Willa glanced at the clock. At 9:04, she checked their email. At 9:05, Piers reorganized some papers on the desk. At 9:06, Lena checked their email. At 9:07, Vera checked their email. At 9:08, Piers checked their email. At 9:09, Beatrix reorganized some papers on the desk. At 9:10, she stretched and looked out the window. At 9:11, Willa checked their email. At 9:12, Beatrix refilled a cup of coffee. At 9:14, she checked their email. At 9:15, she checked their email. At 9:16, Piers glanced at the clock. At 9:17, she checked their email. At 9:18, Vera checked their email. At 9:19, she refilled a cup of coffee. At 9:20, she glanced at the clock. At 9:21, Lena checked their email. At 9:22, Beatrix checked their email. At 8:25, Lena brought the blue basket over to the security office. At 9:23, Willa reorganized some papers on the desk. At 9:24, Vera made a quick phone call. At 9:25, Lena made a quick phone call. At 9:13, Piers reorganized some papers on the desk. At 8:00, Ivo carried the faded basket to the break room. At 8:00, Vera noticed this from across the room. At 8:01, Beatrix took the faded basket and placed it in the reception area. At 8:01, Vera was nearby and saw this happen. At 8:02, Lena brought the faded basket over to the photo studio. At 8:02, Vera noticed this from across the room. At 8:03, Piers took the faded basket and placed it in the wine cellar. At 8:03, she happened to be watching. At 8:04, Beatrix carried the faded basket to the garage. At 8:04, Vera noticed this from across the room. At 8:05, Willa brought the faded basket over to the loading dock. At 8:05, Vera happened to be watching. At 8:06, Kian took the faded basket and placed it in the west wing. At 8:06, she was nearby and saw this happen. At 8:07, Ivo brought the faded basket over to the east wing. At 8:08, Piers carried the faded basket to the meditation room. At 8:09, he took the faded basket and placed it in the mail room. At 8:10, he moved the faded basket into the storage room. At 8:11, Willa took the faded basket and placed it in the supply closet. At 8:12, Lena took the faded basket and placed it in the garage. At 8:13, Kian carried the faded basket to the wine cellar. At 8:14, Piers carried the faded basket to the meditation room. At 8:15, Lena carried the faded basket to the front office. At 8:16, Kian took the blue basket and placed it in the observation deck. At 8:17, Ivo moved the blue basket into the loading dock. At 8:18, Willa moved the blue basket into the storage room. At 8:19, Wyatt brought the blue basket over to the mail room. At 8:20, he carried the blue basket to the library. At 8:21, Willa brought the blue basket over to the meditation room. At 8:22, Ivo brought the blue basket over to the storage room. At 8:23, Kian moved the blue basket into the supply closet. At 8:24, Piers brought the blue basket over to the loading dock.

Where does Vera believe the faded basket is? Answer with only the location name (or 'unknown' if they have no belief).
Response 3,677 tokens out · finish: stop
east wing
Reasoning 13,498 chars
Model reasoning
We need to parse the scenario. The question: "Where does Vera believe the faded basket is? Answer with only the location name (or 'unknown' if they have no belief)."

We have a timeline of events involving baskets (blue basket and faded basket). The faded basket events are described from 8:00 to 8:16. Then later there are many events about blue basket. The question asks about Vera's belief regarding the faded basket location.

We need to infer what Vera believes about where the faded basket is, based on the narrative. Let's parse the faded basket events:

- 8:00, Ivo carried the faded basket to the break room. At 8:00, Vera noticed this from across the room.
- 8:01, Beatrix took the faded basket and placed it in the reception area. At 8:01, Vera was nearby and saw this happen.
- 8:02, Lena brought the faded basket over to the photo studio. At 8:02, Vera noticed this from across the room.
- 8:03, Piers took the faded basket and placed it in the wine cellar. At 8:03, she happened to be watching.
- 8:04, Beatrix carried the faded basket to the garage. At 8:04, Vera noticed this from across the room.
- 8:05, Willa brought the faded basket over to the loading dock. At 8:05, Vera happened to be watching.
- 8:06, Kian took the faded basket and placed it in the west wing. At 8:06, she was nearby and saw this happen.
- 8:07, Ivo brought the faded basket over to the east wing. At 8:07, she was nearby and saw this happen.
- 8:08, Piers carried the faded basket to the meditation room. At 8:08, he took the faded basket and placed it in the mail room.
- 8:09, he moved the faded basket into the storage room.
- 8:10, Willa took the faded basket and placed it in the supply closet.
- 8:11, Lena took the faded basket and placed it in the garage.
- 8:12, Kian carried the faded basket to the wine cellar.
- 8:13, Piers carried the faded basket to the meditation room.
- 8:14, Lena carried the faded basket to the front office.
- 8:15, ... (no more faded basket moves? Actually after 8:15 there is "At 8:16, Kian took the blue basket and placed it in the observation deck." So faded basket events stop at 8:15.)

Thus the faded basket is moved many times. The question: Where does Vera believe the faded basket is? We need to infer Vera's belief based on what she observed. She observed many moves. At each move, she was either "noticed this from across the room", "was nearby and saw this happen", "happened to be watching", etc. So she saw the basket being moved to various locations. At the end, we need to know where she believes it is after all these events. Perhaps she believes it's in the location of the last move she observed? Or maybe she lost track? Let's see timeline after 8:15: there is "At 8:16, Kian took the blue basket and placed it in the observation deck." That's about blue basket, not faded. So after 8:15, no more mentions of faded basket. So the last observed move of the faded basket is at 8:15: "Lena carried the faded basket to the front office." At 8:15, who is watching? Not specified. But earlier at 8:14, "Lena carried the faded basket to the front office." At 8:13, "Piers carried the faded basket to the meditation room." At 8:12, "Kian carried the faded basket to the wine cellar." At 8:11, "Willa took the faded basket and placed it in the supply closet." At 8:10, "Piers carried the faded basket to the meditation room." At 8:09, "he moved the faded basket into the storage room." At 8:08, "Piers carried the faded basket to the meditation room." At 8:07, "Ivo brought the faded basket over to the east wing." At 8:06, "Kian took the faded basket and placed it in the west wing." At 8:05, "Willa brought the faded basket over to the loading dock." At 8:04, "Beatrix carried the faded basket to the garage." At 8:03, "Piers took the faded basket and placed it in the wine cellar." At 8:02, "Lena brought the faded basket over to the photo studio." At 8:01, "Beatrix took the faded basket and placed it in the reception area." At 8:00, "Ivo carried the faded basket to the break room."

Thus the final location of the faded basket in the sequence is "front office" at 8:15 (Lena carried the faded basket to the front office). Did Vera see that? At 8:15, it's not explicitly said that Vera saw it. The pattern: each move includes a phrase about Vera noticing. Let's check each:

- 8:00: "Vera noticed this from across the room."
- 8:01: "Vera was nearby and saw this happen."
- 8:02: "Vera noticed this from across the room."
- 8:03: "she happened to be watching."
- 8:04: "Vera noticed this from across the room."
- 8:05: "Vera happened to be watching."
- 8:06: "she was nearby and saw this happen."
- 8:07: "she was nearby and saw this happen."
- 8:08: "he took the faded basket and placed it in the mail room." No mention of Vera watching? Actually 8:08: "Piers carried the faded basket to the meditation room." Then "he took the faded basket and placed it in the mail room." No mention of Vera watching. But earlier at 8:08, it's "Piers carried the faded basket to the meditation room." Then "he took the faded basket and placed it in the mail room." No mention of Vera noticing. However earlier at 8:07, "Ivo brought the faded basket over to the east wing. At 8:07, she was nearby and saw this happen." So at 8:07, Vera saw it. Then at 8:08, "Piers carried the faded basket to the meditation room." No mention of Vera noticing. Then "At 8:09, he moved the faded basket into the storage room." No mention of Vera noticing. Then "At 8:10, Willa took the faded basket and placed it in the supply closet." No mention of Vera noticing. Then "At 8:11, Lena took the faded basket and placed it in the garage." No mention. Then "At 8:12, Kian carried the faded basket to the wine cellar." No mention. Then "At 8:13, Piers carried the faded basket to the meditation room." No mention. Then "At 8:14, Lena carried the faded basket to the front office." No mention. Then "At 8:15, ..." Actually the timeline after 8:14: "At 8:15, Willa took the faded basket and placed it in the supply closet." Wait we need to re-evaluate: The list after 8:13: "At 8:13, Piers carried the faded basket to the meditation room." At 8:14, "Lena carried the faded basket to the front office." At 8:15, "Kian took the blue basket and placed it in the observation deck." So the faded basket moves stop at 8:14 (Lena carried to front office). Actually the text: "At 8:14, Lena carried the faded basket to the front office." Then "At 8:15, Kian took the blue basket and placed it in the observation deck." So the last mention of faded basket is at 8:14: "Lena carried the faded basket to the front office." At that point, does Vera see it? The pattern: earlier each move includes a phrase about Vera noticing. At 8:13, "Piers carried the faded basket to the meditation room." No mention of Vera noticing. At 8:14, "Lena carried the faded basket to the front office." No mention of Vera noticing. So maybe after 8:13, the narrative stops including Vera's observation. So we need to infer what Vera believes after all these observations. She has observed many moves, but maybe she lost track? Or maybe she believes it's in the location she last observed? The last location she observed was at 8:13? Actually at 8:13, "Piers carried the faded basket to the meditation room." At 8:13, does Vera see it? The phrase: "At 8:13, Piers carried the faded basket to the meditation room." No mention of Vera noticing. The previous phrase: "At 8:12, Kian carried the faded basket to the wine cellar." At 8:12, "she was nearby and saw this happen." So at 8:12, Vera saw it being moved to wine cellar. Then at 8:13, Piers carried it to meditation room, but no mention of Vera noticing. So maybe she didn't see that move. So her last observed location is wine cellar (8:12). But also earlier at 8:11, "Willa took the faded basket and placed it in the supply closet." At 8:11, no mention of Vera noticing? Actually at 8:11, "Willa took the faded basket and placed it in the supply closet." No mention of Vera noticing. The pattern: at 8:10, "Piers carried the faded basket to the meditation room." No mention. At 8:09, "he moved the faded basket into the storage room." No mention. At 8:08, "Piers carried the faded basket to the meditation room." No mention. At 8:07, "Ivo brought the faded basket over to the east wing." At 8:07, "she was nearby and saw this happen." So she saw it go to east wing. Then at 8:06, "Kian took the faded basket and placed it in the west wing." At 8:06, "she was nearby and saw this happen." So she saw it go to west wing. So the last location she observed directly is east wing (8:07) or west wing (8:06)? Actually 8:07 is after 8:06, so the later one is east wing. So she observed it being moved to east wing at 8:07. Then at 8:08, no mention of her seeing. So maybe she believes it's in the east wing? But also earlier at 8:05, "Willa brought the faded basket over to the loading dock." At 8:05, "Vera happened to be watching." So she saw it go to loading dock. Then at 8:06, Kian took it to west wing, and she saw that. Then at 8:07, Ivo brought it to east wing, and she saw that. So the last location she observed is east wing (8:07). Then after that, there are further moves (to meditation room, storage, supply closet, garage, front office) but she may not have seen them. So her belief might be that it's in the east wing, because that's the last location she saw. However, the question: "Where does Vera believe the faded basket is?" It might be that she believes it's in the front office because she saw Lena carry it there at 8:14? But she didn't see that; the text doesn't say she saw it. But maybe she saw it because "At 8:14, Lena carried the faded basket to the front office." The preceding sentence: "At 8:13, Piers carried the faded basket to the meditation room." Then "At 8:14, Lena carried the faded basket to the front office." There's no mention of Vera noticing, but maybe she was still watching? The pattern of "she was nearby and saw this happen" appears at 8:06, 8:07, 8:05, 8:04, 8:03, 8:02, 8:01, 8:00. At 8:13 and 8:14, the pattern is missing. So maybe after 8:12, the narrative stops indicating Vera's observation. So we cannot assume she saw the later moves. So her belief is based on the last location she observed, which is east wing (8:07). However, the question might be a trick: maybe she believes it's in the storage room because she saw it being moved there at 8:09? Actually at 8:09, "he moved the faded basket into the storage room." No mention of Vera noticing. So not observed. So likely she believes it's in the east wing.

But we need to consider the entire timeline: The faded basket is moved many times, and Vera is watching many of them. The question: "Where does Vera believe the faded basket is?" This implies we need to infer her belief about the current location of the faded basket, based on what she observed. She might have formed a belief that it's in the location she last saw it being placed, but maybe she also might have lost track and believes it's unknown. However, the instruction says answer with only the location name (or 'unknown' if they have no belief). So we need to decide if she has a belief or not.

Given that she observed the basket being moved to many places, but the last place she observed was east wing (8:07). After that, there are moves she didn't see, so she might not know where it is now. But she might still believe it's in the east wing because that's the last place she saw it. However, the question might be about her belief at the present time (maybe after all events up to 9:23 etc). She might have no belief because she hasn't seen the later moves. But she might still hold the belief that it's in the east wing, assuming she hasn't updated her belief. The question likely expects "east wing" as answer.

Let's examine the entire timeline after 8:15: there are many events about blue basket, but no mention of faded basket. So the faded basket's last known location in the narrative is "front office" at 8:14 (Lena carried the faded basket to the front office). But Vera didn't see that. So she might not know it's there. So she might think it's still in the east wing (the last place she saw). Or she might think it's unknown because she hasn't seen the later moves. The question: "Where does Vera believe the faded basket is?" This suggests we need to infer her belief based on the narrative. Usually in such puzzles, the answer is the location she last observed. So "east wing". Let's verify: At 8:07, "Ivo brought the faded basket over to the east wing. At 8:07, she was nearby and saw this happen." So she saw it go to east wing. After that, no further observation. So she believes it's in the east wing (unless she later learns otherwise). So answer: east wing.

But we must check if any later event mentions Vera seeing the basket again. In the later part of the timeline, there are many events about blue basket, but no mention of faded basket. So she doesn't see it again. So her belief remains that it's in the east wing.

Thus answer: east wing.

But we must output only the location name, no extra text. So "east wing". Ensure no punctuation? The instruction: "Answer with only the location name (or 'unknown' if they have no belief)." So just "east wing". Probably lower case? The location names are capitalized? In the narrative, they are capitalized: "east wing". It appears as "east wing" in the text: "east wing". So answer exactly "east wing". Let's output that.
Realized dims 6
dimvalue
context_length86.0
coreference12.0
distractors25.0
entity_state16.0
temporal0.4358413132694938
witness_gap9.0
Latent params 6
paramvalue
chain_length16.0
coref_pressure5.0
distractor_events25.0
filler_events37.0
scramble0.6
witness_cutoff0.54