premise: A dark-haired drummer is playing his set with enthusiasm.
hypothesis: The drummer is playing his set for an audience at an event.
explanation_1: The drummer does not have to be playing for an audience.  The drummer does not have to be playing at an event.
explanation_2: The drummer can play many places with enthusiasm, he doesn't have to have enthusiasm only when he plays an event with an audience.
explanation_3: His enthusiasm could just be for practice, not an audience or at an event.
premise_logic: exists e1 s1 x1 x2 x3.(with(e1,x3) & n_enthusiasm(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_set(x2) & of(x2,x1) & n_male(x1) & n_drummer(x1) & a_dark-haired(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2 x3 x4.(n_set(x2) & of(x2,x1) & n_male(x1) & n_drummer(x1) & at(e1,x4) & n_event(x4) & for(e1,x3) & n_audience(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1))