QUESTION: Premise: "A teen is doing skateboard tricks in the night over a set of stairs."
Hypothesis: "A pro-skateboarder is doing tricks over a set of stairs."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: A teen is doing skateboard tricks doesn't imply he is a pro-skateboarder.
The answer is it is not possible to tell.

[QUESTION] Premise: "A man and women holding onto each other out in public with graffiti on the building behind them."
Hypothesis: "A man and a woman are thrown in prison for tagging."
Do we know that the hypothesis entailed by the premise?
If a man and a woman are holding each other they are not being thrown in prison for tagging.
The answer is no.

Q: Can we conclude from "A man holds up a ""free hugs"" sign above his head." that "A man is looking for anybody to hug him with his ""free hugs"" sign."?
Options:
- yes
- no
- it is not possible to tell
A: The man has a free hugs sign but that does not mean he is looking for anybody to hug him.
The answer is it is not possible to tell.

QUESTION: Premise: "Two people riding an elephant through a river."
Hypothesis: "People riding a donkey."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Two people are riding an elephant through a river or riding a donkey.
The answer is no.

[QUESTION] Given the sentence "Two men are outside while assembling a grill." is it true that "There are men preparing for a grilling competition."?
Not all men assembling a grill are preparing for a grilling competition.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "A young man in a black striped dress shirt is playing a trumpet."
Hypothesis: "The man is the yellow striped dress shirt is playing the trombone."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
Either the man dress shirt is black or yellow. The man is either playing a trumpet or trombone.
The answer is no.