[Q] Premise: "This is a pedestrian slinging a guitar and carrying a backpack in a metro setting."
Hypothesis: "The man is talented."
Do we know that the hypothesis entailed by the premise?
[A] A pedestrian is slinging a guitar does not imply the man is talented.
The answer is it is not possible to tell.

[Q] Given the sentence "Two older men are sitting outside and one of them has his head down while the other is reading." is it true that "The man with his head down is napping."?
[A] A man may have his head down and not be napping.
The answer is it is not possible to tell.

[Q] Given the sentence "A dark headed man kneeling down beside of a yellow wall." is it true that "The man was taking a break after running."?
[A] Not all dark headed men kneeling down beside a yellow wall after running.
The answer is it is not possible to tell.