Student asked: Test for natural language inference.
Premise: "A woman rolling up a pile of off-white fur."
Hypothesis: "A man is rolling up a pile of black fur."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. A man cannot be a woman. The fur cannot be black when it is off-white. The answer is no.


Student asked: Premise: "A man is standing on a power post looking as though he is fixing a power line in a city."
Hypothesis: "A man if up off the ground."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Standing on a power post is a form of up off the ground. The answer is yes.


Student asked: Given the sentence "A very weak looking woman is holding a pot and some branches above her head." is it true that "The woman is cleaning up her yard."?
Teacher's response: Let's think. Although she has some branches above her head it does not mean she is cleaning up her yard. The answer is it is not possible to tell.


Student asked: Premise: "Man kicking another man in the face in a karate competition."
Hypothesis: "The two men are shaking hands after making the business deal."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. Men that are shaking hands with each other after a business deal cannot be kicking a man in a karate competition at the same time. The answer is no.