[Q] Premise: "A guy riding something down steps."
Based on this premise, can we conclude that the hypothesis "A guy is walking through a hallway." is true?
Options:
- yes
- it is not possible to tell
- no
[A] A guy riding something can't be walking at the same time.
The answer is no.

[Q] Can we conclude from "A woman who is fixing her computer while showing her daughter what it is doing." that "A woman teaches a girl to fix computer."?
Options:
- yes
- no
- it is not possible to tell
[A] Just because her daughter is there doesn't mean that she teaches the girl how to fix a computer.
The answer is it is not possible to tell.

[Q] Given the sentence "Two dogs playing with a purple ball." can we conclude that "Puppies walking in grass field."?
Options:
- yes
- it is not possible to tell
- no
[A] The dogs cannot be playing with a ball and walking in the grass at the same time.
The answer is no.