QUESTION: If "Several people stand on stage with their arms held up in the air." does that mean that "Several people stood on stage."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: People stand on stage is a paraphrase of people stood on stage.
The answer is yes.

[QUESTION] Test for natural language inference.
Premise: "A shirtless man in white shorts is about to serve a tennis ball."
Hypothesis: "Nobody has shorts."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A man will not be in white shorts if nobody has shorts.
The answer is no.

Q: Premise: "A man in aerodynamic gear riding a professional mountain bike through a forest."
Hypothesis: "A man riding a crappy old road bike through a forest."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: A crappy old bike is not the same thing as a professional mountain bike.
The answer is no.

QUESTION: Given the sentence "A teenage girl in a red shirt doing arts and crafts." is it true that "A girl working on arts and crafts to sell at a fair."?

Let's solve it slowly: A teenage girl doing arts and crafts is not necessarily working to sell at a fair.
The answer is it is not possible to tell.

[QUESTION] Can we conclude from "A kid is performing karate in a gymnasium." that "There is a kid performing karate."?
Options:
- yes
- no
- it is not possible to tell
There is a kid performing karate is a rephrasing of a kid is performing karate.
The answer is yes.

Q: Premise: "A boy surfs on a wave."
Hypothesis: "The ocean is cold."
Do we know that the hypothesis entailed by the premise?
A:
A boy surfing on a wave doesn't necessarily imply that he is surfing in an ocean.
The answer is it is not possible to tell.