Leo: If "A line of people rides an escalator upstairs while an advertisement is featured in the foreground." does that mean that "People are sitting on a blanket in the park."?\nOptions:\n- yes\n- it is not possible to tell\n- no
Mei: OK, So, let's think first...
Me:
User
People who at the park sitting down can not be riding escalator at the same time.
Thus, the answer is no.
Assistant