Q: Test for natural language inference.
Premise: "A man in pajamas is looking up at the ceiling."
Hypothesis: "The ceiling is being looked at by a man."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Is being looked at is a rephrase of is looking up at.
The answer is yes.

QUESTION: Premise: "People talk among themselves near a crowd of people."
Based on this premise, can we conclude that the hypothesis "People discuss the days events." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: People talking among themselves are not always talking about the days events.
The answer is it is not possible to tell.

[QUESTION] Can we conclude from "Several tall women jumping into the air while wearing traditional matched outfits and sandals with three aloft hot air balloons in the background." that "Several women jump into the air."?
Options:
- yes
- no
- it is not possible to tell
Women who jump into the air are jumping into the air.
The answer is yes.

Q: Given the sentence "A man with a dark green apron standing with his hands on his waist with a grill in the background." is it true that "The man in the dark green apron stands with his hands on  his head."?
A: His hands can't be on his head if they are on his waist.
The answer is no.

QUESTION: Given the sentence "Old man walking on the sidewalk." is it true that "A man is walking during a snow storm."?

Let's solve it slowly: Not all old men walking down the sidewalk are walking during a snow storm.
The answer is it is not possible to tell.

QUESTION: Given the sentence "Two young men playing basketball." is it true that "One defending the other attempting to make a basket."?

Let's solve it slowly:
Two young men are playing basketball on an inner city court while people watch.
The answer is it is not possible to tell.