Record f2e5815006d04617a65d7b166c13a952

At 8:00, Aria moved the narrow basket into the cafeteria. At 8:00, Tobias noticed this from across the room. At 8:01, she brought the narrow basket over to the security office. At 8:01, he noticed this from across the room. At 8:02, he took the narrow basket and placed it in the garage. At 8:03, he moved the narrow basket into the security office. At 8:04, Aria brought the narrow basket over to the basement. At 8:04, he was nearby and saw this happen. At 8:05, she brought the narrow basket over to the storage room. At 8:05, he happened to be watching. At 8:06, he took the narrow basket and placed it in the gym. At 8:07, Petra took the narrow basket and placed it in the lobby. At 8:07, he noticed this from across the room. At 8:08, she took the narrow basket and placed it in the security office. At 8:08, he noticed this from across the room. At 8:09, he brought the dusty box over to the loading dock. At 8:10, Petra took the dusty box and placed it in the security office. At 8:11, she carried the dusty box to the basement. At 8:12, Tobias moved the dusty box into the loading dock. At 8:13, he moved the dusty box into the storage room. At 8:14, he brought the dusty box over to the cafeteria. At 8:15, Aria took the dusty box and placed it in the east wing. At 8:16, he moved the dusty box into the garage. At 8:17, Petra moved the dusty box into the basement. At 8:18, he took the dusty box and placed it in the storage room. At 8:19, Aria carried the dusty box to the loading dock. At 8:20, she reorganized some papers on the desk. At 8:21, Tobias refilled a cup of coffee. At 8:22, he checked their email.

Where does Tobias believe the narrow basket is? Answer with only the location name (or 'unknown' if they have no belief).

security office

(no reasoning captured)