Q: Test for natural language inference.
Premise: "A boy wearing blue walks across some rocks."
Hypothesis: "A boy is wearing an all black outfit."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: If he is wearing all black then he is not wearing any blue.
The answer is no.

Q: Given the sentence "A man with a baby singed on his back is using a broom." is it true that "The man used a broom to shoo away pigeons."?
A: A man with a baby on his back cannot use a broom.
The answer is no.

Q: Premise: "Woman working on a pc in her bathrobe."
Hypothesis: "Woman in a bathrobe typing an email."
Do we know that the hypothesis entailed by the premise?
A: Woman working on a PC is not always typing an email.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "Two street food vendors are preparing food."
Hypothesis: "Two street cooks holding balloons."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
Cooks cannot be preparing food and holding balloons at the same time.
The answer is no.