[QUESTION] Premise: "A group of teenage boys watch as one of them cuts another boy's hair."
Hypothesis: "Boy getting hair cut by another boy."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
If the teenage boys watch as one of them cuts another boy's hair then a boy is getting his hair cut by another boy.
The answer is yes.

Q: Test for natural language inference.
Premise: "A man is crossing a street which is lined by a wall of graffiti."
Hypothesis: "A crossing guard directs traffic."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: A crossing guard directing traffic has a stationary position so he cannot be crossing the street.
The answer is no.

QUESTION: Given the sentence "A cloudy sky above a busy city street." can we conclude that "A clear sky above a suburban area."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A busy city street would not be in a suburban area.
The answer is no.

[QUESTION] If "Flying through the air snowboarding." does that mean that "This person is outside."?
Options:
- yes
- it is not possible to tell
- no
The fact that this person is flying through the air snowboarding proves that this person is outside.
The answer is yes.

Q: Premise: "Two boys are swimming underwater in a pool."
Hypothesis: "The two boys are terrified of water and won't go near it."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: The boys would not swim if they were terrified of water.
The answer is no.

[QUESTION] Premise: "A man is fishing on a vast calm lake bordered by a misty mountain range."
Hypothesis: "A man is fishing on a vast calm lake bordered by a sunny mountain range."
Do we know that the hypothesis entailed by the premise?
A man cannot be fishing on a misty (unclear) day while it is sunny.
The answer is no.