Given the following reasoning and answer, what was the question? A rock band performs on stage if they are in front of a crowd.
 The answer: yes
The question Premise: "A rock band playing some of their hits at a concert while in front of a crowd with l.e.d. lights flashing as they play the guitars and a guy in the background beats on the drums."
Hypothesis: "A rock band performs on stage."
Do we know that the hypothesis entailed by the premise?