Q: Premise: "People riding on a motorcycle on a waterfront street."
Hypothesis: "People are not on a motorcycle."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: The people have to be on a motorcycle to be riding it.
The answer is no.

Q: Given the sentence "Several people are standing in an urban plaza looking into various sized telescopes." can we conclude that "One person asleep in a plaza."?
Options:
- yes
- it is not possible to tell
- no
A: There can either only be one person sleeping or several people standing in the plaza.
The answer is no.

Q: Premise: "A man standing on the sidewalk looking at glass bottles for sale."
Hypothesis: "A man is looking at bottles for sale as a birthday present."
Do we know that the hypothesis entailed by the premise?
A: Looking at bottles does not imply he wants them for a birthday present.
The answer is it is not possible to tell.

Q: Given the sentence "A martial arts class." is it true that "Most of the class members are watching two spar."?
A:

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 karate class is conducting a challenge to win a black belt certification.
The answer is it is not possible to tell.