[QUESTION] Premise: "A man at a skate park is doing an ollie out of a bowl near a beach."
Hypothesis: "A man in a skate park is messing up an ollie in a half-pipe near the beach."
Do we know that the hypothesis entailed by the premise?
Either the man is correctly performing an ollie or he is messing up an ollie. He cannot be in a bowl and a half-pipe at the same time.
The answer is no.

[QUESTION] Given the sentence "A shirtless man in a blue hat and sunglasses runs waist-deep through a large body of water." can we conclude that "A person tries to escape from a shark hidden beneath the water."?
Options:
- yes
- it is not possible to tell
- no
Not everyone in water are trying to escape from a shark.
The answer is it is not possible to tell.

[QUESTION] If "A man and boy wearing blue wetsuits play in the ocean near a large rock." does that mean that "The people are sitting on a couch."?
Options:
- yes
- it is not possible to tell
- no
The people playing in the ocean means that they cannot be sitting on a couch at the same time.
The answer is no.

[QUESTION] Premise: "Three people with their back turned are standing inside a building."
Based on this premise, can we conclude that the hypothesis "Three people turn their backs inside the building before they go to class." is true?
Options:
- yes
- it is not possible to tell
- no
People in a building does not imply it is before they go to class.
The answer is it is not possible to tell.