Student asked: Can we conclude from "A man in a coat and coveralls is tying a rope that has been thrown over the side of a boat." that "A woman in an evening gown enters a concert hall."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. A man in a coat and coveralls is not a woman in an evening gown. The answer is no.

Student asked: Given the sentence "A boy in a white shirt is doing a kick in the air." is it true that "A boy does a trick kick in the air."?
Teacher's response: Let's think. Not all kicks in the air are necessarily be trick kicks. The answer is it is not possible to tell.

Student asked: Can we conclude from "A woman shows her son how to use a sewing machine." that "A woman doesn't show a sewing machine."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. A person can not show and not show a sewing machine to a boy simultaneously. The answer is no.

Student asked: Can we conclude from "A woman in checkered knee-highs and jean shorts walks down a city sidewalk street while smoking a cigarette." that "The woman in knee-highs and jean shorts is walking down the sidewalk smoking."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. Walking down a sidewalk means that they are in the city where many sidewalks are. The answer is yes.