[QUESTION] Given the sentence "Dirt bikers traverse a series of jumps." is it true that "Some dirt bikers are falling off their bike."?
Just because Dirt bikers traverse a series of jumps does not mean they are falling off.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "Parent holding up a child over a swing."
Hypothesis: "Someone is watching while their child is swinging on a swing outside."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Person is either holding a child over a swing or child are themselves swinging.
The answer is no.

[QUESTION] Can we conclude from "Three men in jackets are sitting on a park bench." that "Three men are working on a roof."?
Options:
- yes
- no
- it is not possible to tell
The men can either be sitting or working they can not be doing both.
The answer is no.

[QUESTION] Given the sentence "Two men are sitting in a restaurant." can we conclude that "Two associates sitting down to lunch."?
Options:
- yes
- it is not possible to tell
- no
Not all men sitting in a restaurant are associates sitting down to lunch.
The answer is it is not possible to tell.