Q: Premise: "A young man doing a skateboard jump over concrete."
Hypothesis: "A young man is practicing skateboarding."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: If the man is doing a skateboard jump he is practicing skateboarding.
The answer is yes.

QUESTION: Premise: "A crowd of people in front of a building."
Based on this premise, can we conclude that the hypothesis "The people are swimming in the creek." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: People are either in front of a building or in the creek.
The answer is no.

[QUESTION] Test for natural language inference.
Premise: "People engage in a tandem skydive on a cloudy day."
Hypothesis: "Some people are falling from the sky."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
People skydive so that implies they are falling from the sky.
The answer is yes.

Q: Given the sentence "Man kayaking losing his paddle and falling out of the boat." is it true that "The man was on a river."?
A: The man kayaking was not implied to be on a river.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A man wearing no shirt skateboarding on the street." is it true that "A man is not wearing a shirt."?

Let's solve it slowly: Wearing no shirt means the same as not wearing a shirt.
The answer is yes.

QUESTION: Given the sentence "A man and his donkey stand along a sidewalk." can we conclude that "A man riding a donkey."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
One cannot stand and be riding a donkey at the same time.
The answer is no.