Student asked: Given the sentence "Two girls arm wrestle as another observes." is it true that "A girl watches two girls arm wrestle."?
Teacher's response: Let's think. Two girls are arm wrestling and another girl watches or observes them. The answer is yes.


Student asked: Premise: "A man in a brown jacket is leading a black shire horse."
Hypothesis: "The man is a knight of the white walkers."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The man can't be a knight of the White Walkers if he is leading a black horse. The answer is no.


Student asked: Premise: "A black dog and a brown dog are playing rough on green grass."
Based on this premise, can we conclude that the hypothesis "The dogs played in the back yard." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Green grass does not imply only a back yard but could be any grassy area. The answer is it is not possible to tell.


Student asked: Test for natural language inference.
Premise: "A man selling religious paraphernalia stands in front of a mosque."
Hypothesis: "A man selling anti-religious wares in front of a mosque."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. One cannot be selling anti-religious wares and religious paraphernalia at the same time. The answer is no.