Leo: Premise: "A male topless rock climber is climbing a rock face whilst attached to a safety harness."
Hypothesis: "A man is climbing a rock wall before his friend comes up."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Mei: OK, So, let's think first...
Me:
It doesn't say if the man went up before his friend.
Thus, the answer is it is not possible to tell.