Premise: "An older gentleman in a white uniform and a young woman in a blue uniform are holding a folded flag."\nHypothesis: "The man and woman are at a funeral."\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
Just a man and woman are in uniform and holding a flag doesn't imply they are at a funeral.

.

Thus, the answer is it is not possible to tell