Leo: If "People look at a glass case holding food for sale." does that mean that "The people looked at the glass case after the worker put new food inside of it."?\nOptions:\n- yes\n- it is not possible to tell\n- no
Mei: OK, So, let's think first...
Me:
User
Can't determine if and when a worker put new food into the case.
Thus, the answer is it is not possible to tell.
Assistant