Record b857b35b608043ac95360ecf6fedabdd

At 8:10, Omar took the narrow tablet and placed it in the utility closet. At 8:11, Uma took the narrow tablet and placed it in the atrium. At 8:12, Quentin took the narrow tablet and placed it in the conference room. At 8:13, she moved the narrow tablet into the utility closet. At 8:14, she took the narrow tablet and placed it in the workshop. At 8:15, she carried the narrow tablet to the print room. At 8:16, she took the narrow tablet and placed it in the conference room. At 8:17, Quentin moved the narrow tablet into the gym. At 8:18, Omar carried the narrow tablet to the wine cellar. At 8:19, he reorganized some papers on the desk. At 8:20, he refilled a cup of coffee. At 8:21, he checked their email. At 8:07, Quentin took the narrow tablet and placed it in the atrium. At 8:00, Uma took the blue wrench and placed it in the atrium. At 8:00, Omar happened to be watching. At 8:01, Quentin carried the blue wrench to the utility closet. At 8:01, Omar was nearby and saw this happen. At 8:02, Quentin moved the blue wrench into the workshop. At 8:02, Omar happened to be watching. At 8:03, Uma moved the blue wrench into the atrium. At 8:03, he happened to be watching. At 8:04, he carried the blue wrench to the wine cellar. At 8:05, he moved the blue wrench into the conference room. At 8:06, Uma took the blue wrench and placed it in the gym. At 8:09, Quentin moved the narrow tablet into the gym. At 8:08, Omar took the narrow tablet and placed it in the workshop.

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

conference room

(no reasoning captured)