Record fe41ebbf3778452480d159ac162e85a2

At 8:00, Finn brought the dusty folder over to the conference room. At 8:00, Opal was nearby and saw this happen. At 8:01, he brought the dusty folder over to the basement. At 8:01, she was nearby and saw this happen. At 8:02, Tobias took the dusty folder and placed it in the archive room. At 8:02, she happened to be watching. At 8:03, she took the dusty folder and placed it in the reception area. At 8:04, she took the dusty folder and placed it in the basement. At 8:05, she brought the dusty folder over to the conference room. At 8:06, Tobias brought the dusty folder over to the supply closet. At 8:06, she noticed this from across the room. At 8:07, he moved the dusty folder into the archive room. At 8:08, Finn carried the heavy box to the front office. At 8:09, Tobias brought the heavy box over to the wine cellar. At 8:10, Opal reorganized some papers on the desk. At 8:11, she refilled a cup of coffee. At 8:12, she checked their email.

Recall:
At 8:00, Finn brought the dusty folder over to the conference room.
At 8:00, Opal was nearby and saw this happen.
At 8:01, Finn brought the dusty folder over to the basement.
At 8:01, Opal was nearby and saw this happen.
At 8:02, Tobias took the dusty folder and placed it in the archive room.
At 8:02, Opal happened to be watching.
At 8:03, Opal took the dusty folder and placed it in the reception area.
At 8:04, Opal took the dusty folder and placed it in the basement.
At 8:05, Opal brought the dusty folder over to the conference room.
At 8:06, Tobias brought the dusty folder over to the supply closet.
At 8:06, Opal noticed this from across the room.

Where does Opal believe the dusty folder is? Answer with only the location name (or 'unknown' if they have no belief).

supply closet

(no reasoning captured)