[QUESTION] Premise: "A surfer riding a wave on beautiful water."
Hypothesis: "A surfer is at the beach."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A surfer must be at the beach is he is riding a wave.
The answer is yes.

Q: Premise: "A young lady walking her bicycle walking away from the camera on what appears to be a bike path near some water."
Hypothesis: "The woman is in a car."
Do we know that the hypothesis entailed by the premise?
A: If she is in a car then she could not be walking her bicycle.
The answer is no.

QUESTION: Premise: "A man wearing jeans and a green and black shirt is jumping into the air with his arms outstretched."
Hypothesis: "A man tries out for basketball by jumping as high as he can toward the basket."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Nothing is saying he is trying out for basketball or that there is a basket.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A kettle korn vendor looks into the distance at a fair."
Hypothesis: "A vendor wishes he wasn't working at the fair."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Looks into the distance does not mean wishes he wasn't working at the fair.
The answer is it is not possible to tell.

Q: Premise: "A boy digs a hole in the sand and buries his head in it."
Hypothesis: "A boy is trying to attend suicide."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: The boy buries his head in the sand which implies he is attempting suicide.
The answer is yes.

[QUESTION] Premise: "A young man is skateboarding on a cement block wall."
Based on this premise, can we conclude that the hypothesis "A young man is practicing for a professional skateboarding match." is true?
Options:
- yes
- it is not possible to tell
- no
The young man is skateboarding on a cement wall but that doesn't mean that he is practicing for a professional skateboarding match.
The answer is it is not possible to tell.