Record f8e81c0a6ec640ed816a9f972539e6eb

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.

At 8:10, Wyatt moved the red tablet into the south stairwell. At 8:11, Oscar took the red tablet and placed it in the break room. At 8:12, Wyatt carried the red tablet to the photo studio. At 8:13, he brought the red tablet over to the conference room. At 8:14, Oscar carried the red tablet to the storage room. At 8:15, he brought the red tablet over to the photo studio. At 8:16, he moved the red tablet into the utility closet. At 8:17, Hana moved the red tablet into the south stairwell. At 8:18, she carried the red tablet to the greenhouse. At 8:19, Oscar reorganized some papers on the desk. At 8:20, he refilled a cup of coffee. At 8:21, Wyatt checked their email. At 8:00, Oscar carried the blue wrench to the conference room. At 8:00, Wyatt happened to be watching. At 8:09, Oscar carried the red tablet to the break room. At 8:01, he brought the blue wrench over to the observation deck. At 8:01, Wyatt was nearby and saw this happen. At 8:02, Hana carried the blue wrench to the utility closet. At 8:02, he was nearby and saw this happen. At 8:03, she moved the blue wrench into the storage room. At 8:03, he happened to be watching. At 8:04, he took the blue wrench and placed it in the south stairwell. At 8:05, Hana took the blue wrench and placed it in the storage room. At 8:05, he noticed this from across the room. At 8:06, Oscar took the blue wrench and placed it in the greenhouse. At 8:07, Wyatt took the red tablet and placed it in the utility closet. At 8:08, he brought the red tablet over to the storage room.

Where does Wyatt believe the blue wrench is? Answer with only the location name (or 'unknown' if they have no belief).

south stairwell

(no reasoning captured)