Student asked: Test for natural language inference.
Premise: "A child brushes a play crocodiles teeth."
Hypothesis: "The child is pretending to be a veterinarian."
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 boy brushes a play crocodiles teeth doesn't imply child is pretending to be a veterinarian. The answer is it is not possible to tell.

Student asked: Can we conclude from "A man in a red shirt takes a picture of mountains." that "The man is taking a vacation in the swiss alps."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. We are enlightened he is taking a picture during his vacation in the Swiss Alps. The answer is it is not possible to tell.

Student asked: Given the sentence "Three boys pose on sidewalk." can we conclude that "One boy holding a camera."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The boys are sleeping in a plane on their way to a rugby match in Rome. The answer is no.

Student asked: Premise: "Three people standing in the refrigerated juice aisle of a store."
Hypothesis: "There are people currently in the store."
Do we know that the hypothesis entailed by the premise?
Teacher's response:
Let's think. The people would have to be in a store in order to be standing in the refrigerated juice aisle. The answer is yes.