QUESTION: Given the sentence "A person points out to the lake with mountains in the background- while a boat floats out on the left." is it true that "A man points to the mountain with the lake in the background."?

Let's solve it slowly: A lake and a mountain cannot both be in the background at the same time.
The answer is no.

QUESTION: Premise: "Three men with yellow vests doing work on the side of a street with three blue and white trucks nearby."
Hypothesis: "Three men have yellow vests."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Men who work on the side of a street wear yellow vests.
The answer is yes.

QUESTION: Premise: "Little boy playing tennis with a black and yellow racket."
Hypothesis: "A boy is on a skateboard."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
A boy on a skateboard cannot be the one playing tennis.
The answer is no.