[Q] Premise: "A man reading a book while waiting for the subway."
Hypothesis: "A man is underground."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
[A] We can indicate that a man is underground because he is waiting for the subway.
The answer is yes.

[Q] If "A man at a food stand is serving customers." does that mean that "A man is sailing a boat."?
Options:
- yes
- it is not possible to tell
- no
[A] The man is either sailing or serving food at a stand.
The answer is no.

[Q] Test for natural language inference.
Premise: "A man is bending over to clean something."
Hypothesis: "A man is cleaning debris from his shoes."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] A man cleaning something is not necessarily cleaning debris from his shoes.
The answer is it is not possible to tell.