[Q] Given the sentence "A young man skateboards over a commercial trash container while two other guys watch." can we conclude that "Three guys are out practicing with their skateboards."?
Options:
- yes
- it is not possible to tell
- no
[A] Three guys can be practicing with their skateboards without skating over a trash container. Not all guys are young.
The answer is it is not possible to tell.

[Q] Test for natural language inference.
Premise: "A person with cooking utilities poses menacingly in a dark environment."
Hypothesis: "The person is holding a steak knife."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] A person with cooking utilities who poses menacingly is not necessarily holding a steak knife.
The answer is it is not possible to tell.

[Q] Test for natural language inference.
Premise: "A dog running though a grassy field."
Hypothesis: "The dog is walking."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] A dog running is moving at a faster pace than a dog walking.
The answer is no.