QUESTION: Premise: "A person in a knit hat hiding their face with a scarf."
Hypothesis: "A person is trying to keep warm."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: They could be a criminal trying to hide their identity instead of trying to keep warm.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A small child smiles as a ball flies towards his face."
Hypothesis: "The child is about to catch the ball."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The child may not catch the ball flying towards his face.
The answer is it is not possible to tell.

Q: Premise: "A little kid is holding a frozen pop."
Hypothesis: "A little kid just bought a frozen pop from an ice cream truck."
Do we know that the hypothesis entailed by the premise?
A: A child with a frozen pop doesn't mean it has to be from an ice cream truck.
The answer is it is not possible to tell.

QUESTION: Given the sentence "Two older men are sitting outside and one of them has his head down while the other is reading." is it true that "The man with his head down is napping."?

Let's solve it slowly: A man may have his head down and not be napping.
The answer is it is not possible to tell.

[QUESTION] Premise: "A balding man waving with both of his hands on a semi-crowded bus filled with people dressed for warmth."
Hypothesis: "A man is on a bus headed towards moscow."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A semi-crowded bus filled with people dressed for warmth are not necessarily headed towards Moscow.
The answer is it is not possible to tell.

Q: Premise: "A horse rider jumping a jump."
Hypothesis: "The horse rider is practicing for his show."
Do we know that the hypothesis entailed by the premise?
A:
Just because he is jumping doesn't mean he is practicing for a show.
The answer is it is not possible to tell.