Student asked: Test for natural language inference.
Premise: "A dancing troupe of african american youngsters doing a choreographed move."
Hypothesis: "A group of african american students are performing a dance."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Just because a dancing troupe are youngsters does not mean they are students or that they are performing a dance. The answer is it is not possible to tell.


Student asked: Given the sentence "Two men are in a small boat and spraying water at something." is it true that "Two sad men are in a small boat and spraying water at something."?
Teacher's response: Let's think. The two men in the boat do not have to be sad. The answer is it is not possible to tell.


Student asked: Given the sentence "A group of students playing jenga in a classroom." can we conclude that "Group of students playing class room."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Playing class room is completely different from playing Jenga in a classroom. The answer is yes.


Student asked: Premise: "A man is doing art on a sidewalk while many other people walk by."
Hypothesis: "A street artist uses chalk on the sidewalk."
Do we know that the hypothesis entailed by the premise?
Teacher's response:
Let's think. The man doing art on the sidewalk is the street artist using chalk on the sidewalk. The answer is yes.