Premise: "A young girl in a paper hat eats inside a restaurant."\nHypothesis: "A young girl celebrates her birthday with friends at a restaurant."\nDo we know that the hypothesis entailed by the premise?
Think hard. Detailed solution:
it is not possible to tell
People may eat alone in restaurants and may not have friends there.

It also doesn't have to be her birthday for any of that nor for her to wear a hat.

.

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