Student asked: Given the sentence "People are running from a fire." is it true that "People are running from a fire that was started by an arsonist."?
Teacher's response: Let's think. People are running from a fire does not mean that it was started by an arsonist. The answer is it is not possible to tell.

Student asked: Given the sentence "Two people are walking down a city street approaching a pagoda." is it true that "The couple holds hands as they walk down the street."?
Teacher's response: Let's think. Not all two people walking down a city street approaching a pagoda holds hands. The answer is it is not possible to tell.

Student asked: Can we conclude from "A lady wearing eyeglasses reading a paper while riding the train." that "A lady with perfect vision is reading on her tablet as she rides the train."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Woman with perfect vision would not wear eyeglasses. She would not read both tablet and paper at same time. The answer is no.

Student asked: Premise: "Two dogs holding red balls in their mouth."
Based on this premise, can we conclude that the hypothesis "Running in the snow." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. A dog sleeping on a bed in front of a fireplace. The answer is no.