QUESTION: Given the sentence "A young boy in pajamas sleeping on a couch." is it true that "A boy is taking a nap."?

Let's solve it slowly: One can be taking a nap and not be dressed in pajamas.
The answer is it is not possible to tell.

QUESTION: Premise: "Two young people are kissing."
Hypothesis: "Love is in the air as two young folks are together."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: If two young people are kissing then love must be in the air.
The answer is yes.

QUESTION: If "A man wearing a stained blue shirt is surrounded by other people." does that mean that "A man is wearing blue."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
A man wearing a stained blue shirt is a rephrase of A man is wearing blue.
The answer is yes.