Student asked: Given the sentence "Old man cleaning the sidewalk outside a shop." can we conclude that "Young guy breaking glass on the sidewalk."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. An old man is not young and cleaning does not involve breaking glass. The answer is no.

Student asked: If "A couple of men in hats posing for a picture by a gas station." does that mean that "Men after work."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Men in hats posing do not have to be doing so after work. The answer is it is not possible to tell.

Student asked: Premise: "A boy on a scooter outside a toy store."
Hypothesis: "The boy is waiting for his mother to come out of the store."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. Not all boys outside of toy stores are waiting for their mother to come out. The answer is it is not possible to tell.

Student asked: Given the sentence "A crowd watching a musical performance outdoors around a bonfire." can we conclude that "The world has ended."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. If the world has ended a crowd cannot be watching a musical performance outdoors around a bonfire. The answer is no.