QUESTION: Premise: "Mountain climbing gear on a mountain."
Hypothesis: "Tools used to climb a mountain."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Mountain climbing gear are tools and they're used for climbing a mountain.
The answer is yes.

[QUESTION] Given the sentence "A woman wearing a pink shirt jumps in the air with her arms and legs spread to her sides." can we conclude that "The woman is doing jumping jacks."?
Options:
- yes
- it is not possible to tell
- no
If a woman is jumping up in the air with her arms and legs spread to her sides we can not assume she is doing jumping jacks.
The answer is it is not possible to tell.

Q: Can we conclude from "A brown dog appears to be operating a computer." that "A dog who enjoys posing for his master."?
Options:
- yes
- no
- it is not possible to tell
A: The dog operating a computer may not be posing or doing it for his master.
The answer is it is not possible to tell.

QUESTION: If "A singer performs for a crowd in front of multicolored lights." does that mean that "The singer is alone in the recording studio."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: One singer is performing for a crowd while one singer is alone in a recording studio.
The answer is no.

[QUESTION] Test for natural language inference.
Premise: "Two people fishing from a boat on a river."
Hypothesis: "Two people not fishing from a boat."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Two people can either be fishing or not fishing but not both.
The answer is no.

Q: Can we conclude from "A girl putting food into her mouth while a boy looks at her." that "The girl is eating in front of a boy."?
Options:
- yes
- no
- it is not possible to tell
A:
If the boy looks then she must be in front of him.
The answer is yes.