Student asked: Given the sentence "A blond woman dressed in pink performs on a stage guarded by uniformed men." is it true that "A woman sits on a stage alone."?
Teacher's response: Let's think. She would not be alone if she were on stage and guarded by men. The answer is no.


Student asked: Test for natural language inference.
Premise: "A young girl in religious costume carries a red umbrella."
Hypothesis: "There is a girl in the rain."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Carries an umbrella does not imply the girl is in the rain. The answer is it is not possible to tell.


Student asked: Premise: "A military man is talking to two civilian men and a civilian woman."
Hypothesis: "Several hippies are at a concert."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. People are either talking or at a concert. The military man could not be identified as a hippie. The answer is no.


Student asked: Premise: "People are skiing down a snow covered mountain."
Hypothesis: "People are skiing down a snow covered mountain while on vacation at a ski resort."
Do we know that the hypothesis entailed by the premise?
Teacher's response:
Let's think. Not all people skiing down a snow covered mountain are on vacation. The answer is it is not possible to tell.