Q: Premise: "Two young men are standing on the sidewalk talking to each other."
Hypothesis: "Two men are talking to one another."
Do we know that the hypothesis entailed by the premise?
A: Two young men and two men refer to the same people. Talking to one another is paraphrasing talking to each other.
The answer is yes.

QUESTION: Given the sentence "A little girl is brushing her teeth." is it true that "The little girl is brushing her teeth in front of the sink."?

Let's solve it slowly: Not all girls brush their teeth in front of the sink.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "Spectators watching white and blue race car passing by."
Hypothesis: "The car is going fast."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The car could be passing by slowly as opposed to fast.
The answer is it is not possible to tell.

Q: If "A man and women walking by a caution sign." does that mean that "They are walking by a caution sign."?
Options:
- yes
- it is not possible to tell
- no
A: They are the man and woman walking by the caution sign.
The answer is yes.

QUESTION: If "Warriors in chain mail holding shields waiting in line." does that mean that "A group of warriors ask for directions to the nearest grocery store."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: You don't ask for directions while holding shields waiting in line.
The answer is no.

QUESTION: Given the sentence "A man is climbing a cliff high in the air." is it true that "There is a man standing at the top of the cliff."?

Let's solve it slowly:
A man is climbing a cliff so he can't be already standing at the top.
The answer is no.