Denny asked: Premise: "A male topless rock climber is climbing a rock face whilst attached to a safety harness."\nHypothesis: "A man is climbing a rock wall before his friend comes up."\nIs the hypothesis entailed by the premise?\nOptions:\n- yes\n- it is not possible to tell\n- no.
Le: OK, so how can I answer with some explanation?

User
It doesn't say if the man went up before his friend.
The answer: it is not possible to tell.
Assistant