Premise: "A boy in a black shirt holding a hammer."\nHypothesis: "A kid builds a treehouse."\nDo we know that the hypothesis entailed by the premise?
Let's think step by step below.
it is not possible to tell
The boy with the hammer is not necessarily a kid.

Just because the boy is holding a hammer doesn't mean that he builds a treehouse with it.

.

Therefore, the answer is it is not possible to tell