[Q] Given the sentence "A homeless man is walking next to a graffiti-ed wall." is it true that "A very rich man is walking into an expensive store."?
[A] A rich man is not homeless. Waling next to a wall is not walking into a store.
The answer is no.

[Q] Premise: "A woman sits on the beach with two dogs."
Hypothesis: "The woman is watching the sun set."
Do we know that the hypothesis entailed by the premise?
[A] Watching a sun set is not the main reason you go to a beach.
The answer is it is not possible to tell.

[Q] Given the sentence "Two people sitting on a red bench in front of books." is it true that "This is an electronics store."?
[A] The setting is a place with books and a place without books (electronics) at the same time.
The answer is no.