[Q] If "An older man is skydiving." does that mean that "An older man is skydiving on his birthday."?
Options:
- yes
- it is not possible to tell
- no
[A] A man can skydive on days other than on his birthday.
The answer is it is not possible to tell.

[Q] If "A skateboarder shows off his skills." does that mean that "A skateboarder sits on the curb."?
Options:
- yes
- it is not possible to tell
- no
[A] Skateboarder cannot show off his skills while sitting on the curb.
The answer is no.

[Q] Test for natural language inference.
Premise: "A man in shorts climbing the ladder of a pool in an ice field."
Hypothesis: "A man in shorts is climbing out of a pool."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] Climbing out of a pool is done by climbing the ladder of a pool.
The answer is yes.