Leo: Premise: "A skateboard rolling down a ramp."\nBased on this premise, can we conclude that the hypothesis "A dog is pushing the skateboard up the ramp." is true?\nOptions:\n- yes\n- it is not possible to tell\n- no
Mei: OK, So, let's think first...
Me:
User
The skateboard can't be doing up and down at the same time.
Thus, the answer is no.
Assistant