Student asked: Test for natural language inference.
Premise: "A man is sitting behind a large collection of produce."
Hypothesis: "A man is sitting alone at home."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Sitting behind a large collection of produce suggests the man is in a market not at home. The answer is no.


Student asked: If "A girl and boy hugging in the cobblestone street." does that mean that "Two kids are at school."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The kids can't be hugging in the street and at school at the same time. The answer is no.


Student asked: Given the sentence "Two women take a digital photo of a mirrored sphere." is it true that "The women are lesbians."?
Teacher's response: Let's think. There is no evidence the two women are lesbians. Two women standing near one another are not automatically lesbian. The answer is it is not possible to tell.


Student asked: If "Two men with guitars singing and playing their guitars in a darkened venue." does that mean that "A clown is putting on a show for kids."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. The clown cannot put on a show for kids in a darkened venue. The answer is no.