Q: Premise: "A man is doing a wheelie on a mountain bike."
Hypothesis: "A man does a wheelie while biking down a mountain."
Do we know that the hypothesis entailed by the premise?
A: A man doing a wheelie on a mountain bike is not necessarily biking down a mountain.
The answer is it is not possible to tell.

QUESTION: Premise: "A man in swim trunks is in a shallow portion of a lake with his hand on a portion of a small dock."
Based on this premise, can we conclude that the hypothesis "A man is in water." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: To be in a shallow portion of a lake is to be in water.
The answer is yes.

[QUESTION] Given the sentence "A man and a woman dressed as a prisoner and sexy police officer." is it true that "The man and woman are dressed as pirates."?
Either they are dressed as a prisoner and sexy police officer or they are dressed as pirates. They cannot be both.
The answer is no.

Q: Test for natural language inference.
Premise: "Two girls hang out in a kitchen."
Hypothesis: "Two friends cooking in a kitchen."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Two girls who hang out are not necessarily friends and are not necessarily cooking.
The answer is it is not possible to tell.

QUESTION: Premise: "A man in a black shirt sits next to a woman playing the guitar."
Hypothesis: "She is dressed as the pink power ranger."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: A man is in black shirt or a lady is dressed in pink power ranger.
The answer is no.

QUESTION: Premise: "An old man is talking to a boy and his parents are looking."
Hypothesis: "The old man is the boy's grandfather."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Every old man may not be a grandfather. A old man talking to a young boy doesn't mean he is his grandfather.
The answer is it is not possible to tell.