Q: Test for natural language inference.
Premise: "A man in a blue shirt and a woman in a red shirt sitting on the grass."
Hypothesis: "The man is about to propose to the woman."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Sitting on the grass does not imply he is about to propose.
The answer is it is not possible to tell.

Q: Given the sentence "A man rides a dirt bike in the brush." can we conclude that "A man ride a dirt bike in california."?
Options:
- yes
- it is not possible to tell
- no
A: A man riding a dirt bike would not necessarily be in California.
The answer is it is not possible to tell.

Q: Given the sentence "Two soccer teams walking on a soccer field." is it true that "The two teams are running onto the pitch."?
A: The two teams in second sentence are running onto the pitch contrary to the two teams in first sentence walking on a soccer field.
The answer is no.

Q: Given the sentence "Two guys riding around in a office on scooters." is it true that "There are people in the office."?
A:
Two guys are people while people must be in the office in order to be riding around an office.
The answer is yes.