Given the sentence "The boy and girl are playing with arm floats on." is it true that "Children splash in a kiddie pool while others run through the sprinkler."?
Let's think step by step below.
it is not possible to tell
A boy and girl don't necessarily have to be children and just because they have arm floats doesn't mean that they are in a kiddie pool.

It's unknown that others run through the sprinkler.

.

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