Answer the following question, with explanation first.
Premise: "There is a group of five men in dark blue outfits and one is playing an accordion."\nHypothesis: "The men are a band of musicians."\nDo we know that the hypothesis entailed by the premise?

it is not possible to tell
One man playing an accordion does not equal a band of musicians.

.

So, the answer is it is not possible to tell