QUESTION: Given the sentence "A man in a blue coat walks down a sidewalk." is it true that "A man walks to work."?

Let's solve it slowly: Not every man walking down a sidewalk is walking to work.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "An asian woman standing in a crowded urban area listening to music."
Hypothesis: "A white woman sits and listens to country music at the grand ole opry."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The subject must have a clear ethnicity -- either she's Asian or she's white.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "A soccer player in a blue aig shirt is kicking the ball."
Hypothesis: "A person is playing a sport."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
A soccer player kicking the ball is a person playing a sport.
The answer is yes.