QUESTION: Test for natural language inference.
Premise: "Crowd gathers to listen to a band."
Hypothesis: "A huge mob stares down the people playing music."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Just because crowd gathers to listen to a band does not indicate that a huge mob stares down the people playing music.
The answer is it is not possible to tell.

[QUESTION] Premise: "A man wearing a red helmet jumps up while riding a skateboard."
Hypothesis: "The man performed a trick for the crowd."
Do we know that the hypothesis entailed by the premise?
Man jumps up while riding a skateboard does not imply that he performed a trick for the crowd.
The answer is it is not possible to tell.

Q: Premise: "A mud covered cyclist zooms down the trail."
Hypothesis: "A cyclist zooms as fast as he can."
Do we know that the hypothesis entailed by the premise?
A: The cyclist could be zooming and still not be going as fast as he can.
The answer is it is not possible to tell.

QUESTION: Premise: "A tennis player wearing a black and white top and black pants strikes the tennis ball."
Based on this premise, can we conclude that the hypothesis "Tennis player returns a serve for a point." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Not every strike of a tennis ball is a serve return.
The answer is it is not possible to tell.

[QUESTION] Premise: "A family of five is watching a performer standing on a stepstool."
Based on this premise, can we conclude that the hypothesis "The family is nervous." is true?
Options:
- yes
- it is not possible to tell
- no
The performer perched on the stepstool might fall so it's making the family nervous.
The answer is yes.

Q: If "Men standing around talking on cellphones." does that mean that "The men have cellphones in their hands."?
Options:
- yes
- it is not possible to tell
- no
A:
If men are talking on their cellphones then men have cellphones in their hands.
The answer is yes.