[QUESTION] Test for natural language inference.
Premise: "Lady in sunglasses lying down with her head on a backpack."
Hypothesis: "A lady lies down using her backpack as a pillow."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Putting your head down on something makes it being used as a pillow.
The answer is yes.

Q: If "A man in a complicated costume with a red mask is holding a torch in front of a crowd of people." does that mean that "Many of whom have cameras."?
Options:
- yes
- it is not possible to tell
- no
A: A man in a costume stands in front of a crowd.
The answer is yes.

QUESTION: Premise: "A mountain biker riding on a hillside wearing a helmet."
Hypothesis: "A person is riding a mountain bike."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Mountain biker is a rephrasing of person riding a mountain bike.
The answer is yes.

[QUESTION] If "A boy holding a float." does that mean that "A boy don't have float."?
Options:
- yes
- it is not possible to tell
- no
If a boy doesn't have a float then he cannot be holding a float.
The answer is no.

Q: Premise: "A boy with a hurt leg is holding a device."
Based on this premise, can we conclude that the hypothesis "A boy has a broken leg." is true?
Options:
- yes
- it is not possible to tell
- no
A: A boy with a hurt leg is holding a device does not imply that he has a broken leg.
The answer is it is not possible to tell.

[QUESTION] Can we conclude from "A group of people talking and one man is looking at his laptop." that "A group of friends hang out."?
Options:
- yes
- no
- it is not possible to tell
Not all people are friends. Just because a group of people is talking does not mean that they hang out.
The answer is it is not possible to tell.