Record f45287489d0f4c91b96b8111072a4924

We need to infer Omar's belief about the location of the blue box, based on his knowledge and observations. The timeline includes actions by Victor, Omar, Gideon, etc. We need to consider what Omar knows. Typically, in belief tracking tasks, each agent only knows actions they performed or observed? The problem likely expects that Omar only knows his own actions and maybe sees others? Usually, unless specified, each person only knows their own actions and maybe sees others if they are present? The problem statement doesn't specify visibility. Might assume that each person knows all actions (common knowledge) unless they are not present? But the question: "Where does Omar believe the blue box is?" So we need to track Omar's belief state based on his observations. Usually, in these puzzles, each person only knows actions they performed and maybe sees others if they are present at the same location? However, we have no info about who sees what. Could assume that each person only knows their own actions, and they don't know about others' moves unless they later see the box. So Omar's belief: He moved the blue box at 8:01 to observation deck. Then at 8:07, Omar took the blue box and placed it in the supply closet. So his last action with the box is at 8:07, moving it to supply closet. He would believe it's in supply closet. Unless later moves by others he didn't see. So answer: supply closet.