[QUESTION] Can we conclude from "A boy is combing his hair using the car windows as a mirror." that "A boy is combing his hair with a brush."?
Options:
- yes
- no
- it is not possible to tell
A boy combing is hair does not imply that he is using a brush.
The answer is it is not possible to tell.

Q: Given the sentence "A family is enjoying drinks on the deck with their little boy." is it true that "The family is at the beach on their deck."?
A: The fact that a family is enjoying drinks on the deck with their little boy doesn't imply that they are at the beach and on their deck.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "Uniformed police officer guards a corner."
Hypothesis: "The officer does not have a uniform on."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The police officer either has a uniform on or he doesn't.
The answer is no.

[QUESTION] Premise: "A brown dog holding something purple and black in its mouth."
Hypothesis: "A dog holds onto it's favorite toy."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Something purple and black might not be the dog's favorite toy.
The answer is it is not possible to tell.

Q: Can we conclude from "A man in a red shirt." that "Out with a woman in a crowded location."?
Options:
- yes
- no
- it is not possible to tell
A: Two men wearing yellow enjoy the peace and quiet at the park.
The answer is no.

[QUESTION] Premise: "A teenage boy does tricks jumping across a railing."
Based on this premise, can we conclude that the hypothesis "A teenager jumps across the railing." is true?
Options:
- yes
- it is not possible to tell
- no
Doing tricks jumping across a railing implies jumping across the railing.
The answer is yes.