QUESTION: Premise: "A man approaches a street corner with carrying a basket of fruit on his head."
Hypothesis: "A man is sprinting."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: One cannot approach somewhere carrying something on one's head and also be sprinting.
The answer is no.

QUESTION: Premise: "Several young children are sitting outside laughing and looking through objects."
Hypothesis: "Young children are looking through kaliedoscopes."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: All young children looking through objects are not looking through kaleidoscopes.
The answer is it is not possible to tell.

QUESTION: Premise: "A young boy jumping into a pool that says ""no diving""."
Hypothesis: "A sad young boy jumping into a pool that says something about safety."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly:
Just because young boy jumping into a pool that says 'no diving' doesn't mean he is sad.
The answer is it is not possible to tell.