Student: Premise: "A man wearing an unfastened helmet holds himself up on the side of a wall as people look on."
Based on this premise, can we conclude that the hypothesis "A man is falling off of a wall." is true?
Options:
- yes
- it is not possible to tell
- no.
Teacher: Let's think:
The man is holding himself up so he cannot be falling off. So the final answer is no.