A man blows into a tube while standing in front of a man at the drumset on stage.
Two men are playing instruments.
A man standing in front of a man means there are two men.
exists e2 e1 x1 x2 x3 x4 x5 x6 x7 x8.(n_drumset(x7) & while(e1,e2) & on(e2,x8) & n_stage(x8) & at(e2,x7) & in(e2,x5) & of(x5,x6) & n_man(x6) & n_front(x5) & Actor(e2,x1) & v_stand(e2) & rel(e1,x3) & n_blow(x3) & of(x3,x4) & n_man(x4) & into(e1,x2) & n_tube(x2) & Actor(e1,x1) & v_event(e1) & n_thing(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_instrument(x2) & n_man(x1) & card_eq_2(x1))