[Q] Premise: "A child in red is riding a bicycle."
Hypothesis: "The child is happy riding his bike."
Do we know that the hypothesis entailed by the premise?
[A] A child is usually happy riding a bicycle; bike is a shorter version of bicycle.
The answer is yes.

[Q] Can we conclude from "A teenage male in jeans and gray shirt is mid-jump while rollerblading with red skates." that "A teenager is rollerblading with friends."?
Options:
- yes
- no
- it is not possible to tell
[A] A teenage male doesn't have to be with friends just because he's rollerblading.
The answer is it is not possible to tell.

[Q] Premise: "A man singing while a woman plays guitar."
Hypothesis: "The two are musicians."
Do we know that the hypothesis entailed by the premise?
[A] The man singing and the woman playing guitar are both musicians.
The answer is yes.