Student asked: Premise: "A window cleaner holding on to suction cup for support whips a glass window clean."
Hypothesis: "The window cleaner is having a cup of coffee."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. One cannot clean a window and be having a cup of coffee at the same time. The answer is no.


Student asked: Premise: "Two people outside cleaning windows while on a ledge of a boat."
Based on this premise, can we conclude that the hypothesis "Two people are cleaning windows while on the ledge of a city apartment building." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The ledge of a boat and the ledge of an apartment building are two completely different locations. The answer is no.


Student asked: Given the sentence "A bike taxi rides down the road." can we conclude that "The bike taxi has a passenger."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A bike taxi does not have to have a passenger to rides down the road. The answer is it is not possible to tell.


Student asked: Given the sentence "An older man uses a mountain bike on a trail." can we conclude that "A human on a bike."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. The older man using a mountain bike implies that the human is on a bike. The answer is yes.