QUESTION: Premise: "People are walking around an oriental plaza."
Hypothesis: "A crowd of people walk around."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: A crowd is the scale of group that would fit in a plaza.
The answer is yes.

QUESTION: Premise: "Two young men are standing on the sidewalk talking to each other."
Hypothesis: "Two men are talking to one another."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Two young men and two men refer to the same people. Talking to one another is paraphrasing talking to each other.
The answer is yes.

QUESTION: Premise: "An old man in a green shirt is walking down a paved path with three small children."
Hypothesis: "A man is taking his kids to the playground."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Walking with the children does not mean they are necessarily going to a playground.
The answer is it is not possible to tell.