[QUESTION] Given the sentence "A gray dog runs along the green grass." is it true that "A gray dog runs after something in the green grass."?
A dog can run for many reasons and not only if it is after something.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "A runner in a race stops to tie his shoe."
Hypothesis: "The runner is winning the race."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Stopping during a race does not imply that the runner is winning.
The answer is it is not possible to tell.

QUESTION: If "A man looks into a mirror to apply shaving cream." does that mean that "A man looks into a mirror to apply a lot of shaving cream."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Just applying shaving cream does not imply a lot of shaving cream.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A man on a stage is playing a guitar and singing." is it true that "A woman with a puppet performs in front of children."?
Playing guitar and singing is a different form of entertaining than performing with a puppet.
The answer is no.

Q: If "Rear view of a choir group standing on risers with a chair filling a space between the risers." does that mean that "A choir group is flying in the sky."?
Options:
- yes
- it is not possible to tell
- no
A: They could not be flying if they were standing on risers both cannot be done at the same time.
The answer is no.

[QUESTION] Given the sentence "A checkout women is working at her job." can we conclude that "A woman is checking out customers."?
Options:
- yes
- it is not possible to tell
- no
If a checkout woman is working at her job then she would likely be checking out customers.
The answer is yes.