Premise: "A group of less than twenty young people are seen gathered together in some sort of rec or community room."\nHypothesis: "A group of people have gathered in a club to dance together."\nDo we know that the hypothesis entailed by the premise?
Let's be accurate as possible. Think before you answer.
no
A rec room of community room is not a club and the group of young people may not be gathering to dance.

.

Final answer: no