A band on stage performing in front of a crowd.
People are watching a band's concert.
Band's play on stage in front of people.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & on(x1,x2) & in(e1,x4) & of(x4,x5) & n_crowd(x5) & n_front(x4) & Actor(e1,x3) & v_perform(e1) & (x2 = x3) & n_stage(x2) & n_band(x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_watch(e1) & n_concert(x3) & of(x3,x2) & n_band(x2) & n_people(x1))