Premise: "A large group of youths in similar red and white outfits play musical instruments in a stadium."
Hypothesis: "The children ran about the playground during their recess period at school."
Do we know that the hypothesis entailed by the premise? Now, let's be accurate as possible. Some thinking first:
A stadium is not a school.Youths can not play instruments and run around the playground at the same time. So, the answer is no.