Two rock and roll performers on stage playing their guitars performing in front of a crowd.
Two performers play before a sold out crowd.
Just because two rock and roll performers are playing for a crowd does not mean it is a sold out crowd.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(a_topic(x1) & on(x1,x4) & Theme(e2,x6) & Actor(e2,x5) & v_play(e2) & in(e1,x8) & of(x8,x9) & n_crowd(x9) & n_front(x8) & Actor(e1,x7) & v_perform(e1) & (x6 = x7) & n_guitar(x6) & of(x6,x1) & n_thing(x1) & (x4 = x5) & n_stage(x4) & n_performer(x1) & of(x1,x3) & n_roll(x3) & of(x1,x2) & n_rock(x2) & card_eq_2(x1))
exists e1 e2 s1 x1 x2 x3 x4.(before(e1,x3) & a_out(s1) & Manner(e2,s1) & Theme(e2,x4) & v_sell(e2) & (x3 = x4) & n_a(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_crowd(x2) & n_performer(x1) & card_eq_2(x1))