Q: Test for natural language inference.
Premise: "A man driving heavy machinery is going through a field with rocks."
Hypothesis: "A person drives a piece of equipment through a rock field."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Heavy machinery that can be driven is a piece of equipment.
The answer is yes.

Q: Given the sentence "A woman is shopping at an outdoor flea market." can we conclude that "A woman is selling stuff at a store."?
Options:
- yes
- it is not possible to tell
- no
A: A woman cannot be shopping and selling stuff at the same time. A woman cannot be at an outdoor flea market and in a store at the same time.
The answer is no.

Q: Given the sentence "A mother and her daughter are enjoying their christmas presents." is it true that "Two men are enjoying their christmas presents."?
A: Mother and her daughter are not two men but two women.
The answer is no.

Q: Can we conclude from "Law enforcement standing in a doorway." that "The police are here to arrest the fugitive."?
Options:
- yes
- no
- it is not possible to tell
A:
Law enforcement can be on the scene whether or not they are there to arrest the fugitive.
The answer is it is not possible to tell.