Premise: "A child is looking through the glass at the child squirting a water hose onto the glass."\nHypothesis: "A child makes fun of the other."\nDo we know that the hypothesis entailed by the premise?
Let's be accurate as possible and think first.
it is not possible to tell
A child looking at someone else through a glass does not mean that child makes fun of that person.

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Therefore, the answer is it is not possible to tell