Q: Can we conclude from "A man is rollerblading down a handrail on some stairs." that "A man is using his feet to move down a handrail."?
Options:
- yes
- no
- it is not possible to tell
A: A man if rollerblading down a handrail must be using his feet and rollerblading down on some stairs is equivalent to moving down.
The answer is yes.

Q: Premise: "Two girls talking while sitting on the stairs."
Based on this premise, can we conclude that the hypothesis "Two girls are happily talking." is true?
Options:
- yes
- it is not possible to tell
- no
A: Two girls talking while sitting on the stairs does not necessary that they are happily talking.
The answer is it is not possible to tell.

Q: Premise: "A dog is running away in the grass."
Based on this premise, can we conclude that the hypothesis "A dog is running away from his master." is true?
Options:
- yes
- it is not possible to tell
- no
A: The dog is running away in the grass but not necessarily from his or her master.
The answer is it is not possible to tell.

Q: Premise: "A group of children in the water holding up a blond boy in red swim shorts."
Based on this premise, can we conclude that the hypothesis "They are watching tv." is true?
Options:
- yes
- it is not possible to tell
- no
A:
You can't be holding up a boy in the water while watching tv.
The answer is no.