Premise: "A man is working on his laptop at a desk and two men are talking behind him."\nHypothesis: "A young man working on a thinkpad at a desk."\nDo we know that the hypothesis entailed by the premise?
Let’s work this out in a step by step way to be sure we have the right answer.
it is not possible to tell
Not all men are young.

Not every laptop is a Thinkpad.

.

So, the final answer is it is not possible to tell