Leo: Premise: "A man in a gray jacket is pushing a cart down the road past a bicycle."\nBased on this premise, can we conclude that the hypothesis "A sad man in a gray jacket is pushing a cart down the road past a bicycle." is true?\nOptions:\n- yes\n- it is not possible to tell\n- no
Mei: OK, So, let's think first...
Me:
User
Not all man in a gray jacket pushing a cart is sad.
Thus, the answer is it is not possible to tell.
Assistant