Premise: "Two kids are having fun climbing."\nHypothesis: "Two kids climbing on a jungle gym."\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
A jungle gym isn't the only thing the kids could have been climbing on.

.

So, the answer is it is not possible to tell