[Q] Premise: "An older man in a long-sleeved black shirt is walking down a cobblestone street alone."
Hypothesis: "A person is walking."
Do we know that the hypothesis entailed by the premise?
[A] A older man is an elderly person. They are usually walking alone.
The answer is yes.

[Q] Given the sentence "A young boy in pajamas sleeping on a couch." is it true that "A boy is taking a nap."?
[A] One can be taking a nap and not be dressed in pajamas.
The answer is it is not possible to tell.

[Q] Given the sentence "A man wearing a yellow shirt and white hard hat stands inside a crevice between two rock faces." can we conclude that "A man tries to squeeze his fingers into a crevice just centimeters wide."?
Options:
- yes
- it is not possible to tell
- no

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
[A] A man who tries to squeeze his fingers into a crevice cannot be the one who stands inside.
The answer is no.