[Q] If "This person is having a fun time." does that mean that "Several young individuals are having a fun time."?
Options:
- yes
- it is not possible to tell
- no
[A] A single person having fun doesn't imply there are several individuals with them.
The answer is it is not possible to tell.

[Q] Premise: "The five people are standing under three tan arches."
Hypothesis: "People stand under tan arches."
Do we know that the hypothesis entailed by the premise?
[A] Under tan arches is a less specific rephrasing of under three tan arches.
The answer is yes.

[Q] Test for natural language inference.
Premise: "A short-haired man adjusting his tie with the help of the mirror in his hotel room."
Hypothesis: "The man in his hotel room is trying to decide what he's going to buy for dinner."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] A man who is trying to decide what he wants for dinner would probably be reading a menu. Adjusting his tie probably takes some concentration.
The answer is no.