Student asked: Premise: "A man holding a sign with people walking around in the background."
Hypothesis: "The sign tells people about the end of the world that is coming soon."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Not every sign tells people about the end of the world. The answer is it is not possible to tell.

Student asked: Given the sentence "A man cuts a block of ice with a chainsaw while standing in front of a red building." is it true that "A man cuts through ice."?
Teacher's response: Let's think. A man who cuts through a block of ice is cutting through ice. The answer is yes.

Student asked: Given the sentence "A man playing with his brown dog on the beach." can we conclude that "A brown dog catching a frisbee."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The man and dog are playing but there is no mention of the dog catching a frisbee. The answer is it is not possible to tell.

Student asked: Can we conclude from "A man and a woman are posing for a photo beside a rack of clothes." that "A man and woman are sitting on a couch."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. People posing for a photo beside a rack of clothes cannot be the ones sitting on a couch. The answer is no.