Student asked: Can we conclude from "A man stands on the side of a street in a doorway." that "A gentleman stands on the sidewalk in the entryway to a tall building."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Every man is not a gentleman and every entryway is not a doorway to a tall building. The answer is it is not possible to tell.

Student asked: Premise: "One white man and one african american man sitting at a long table that has colored note cards spread out on it."
Hypothesis: "Two people of different races are playing cards."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. The two people are the white and african american man and they are playing with colored note cards. The answer is yes.

Student asked: Given the sentence "A woman bends down and pets a young girl's dog." is it true that "The females are not running."?
Teacher's response: Let's think. One is not running if the person bends down and pets a dog. The answer is yes.

Student asked: Given the sentence "Two men in white shirts shave their heads." can we conclude that "Two men are shirtless."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. Two men are shirtless is a clear contradiction of the two men in first sentence wearing white shirts. The answer is no.