Q: Given the sentence "An asian teenager in a red jacket has his thumb up and his tongue sticking out." is it true that "A teenager in a blue jacket has his thumb down."?
A: The subject cannot wear a red and a blue jacket at the same time.
The answer is no.

QUESTION: Given the sentence "A man wearing a yellow jacket throws a yellow frisbee." can we conclude that "A man throws a frisbee in an ultimate frisbee tournament."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A man can throw a Frisbee and not be participating in an Ultimate Frisbee tournament.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A woman with a green shirt takes a drink from a water fountain." can we conclude that "All of the water is gone."?
Options:
- yes
- it is not possible to tell
- no
It would be impossible to take a drink if the water is gone.
The answer is no.

Q: Premise: "A cyclist pedals down a hill."
Hypothesis: "A cyclist pedals quickly down a steep hill."
Do we know that the hypothesis entailed by the premise?
A: Pedaling is not necessarily fast and hills are not necessarily steep.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A quad driver goes racing up a sand dune and catches air."
Hypothesis: "A quad driver races up a sand dune and catches air just before crashing."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A quad driver goes racing up a sand dune and catches air does not mean that he races up a sand dune and catches air just before crashing.
The answer is it is not possible to tell.

QUESTION: Given the sentence "People running in a marathon in running clothes." can we conclude that "People walking in a mall."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
People running a marathon cannot be simultaneously walking in a mall.
The answer is no.