Three people in a band are playing on stage.
Three people stop to feed birds in a park.
People cannot stop to feed birds in a park and be playing on stage at the same time.
exists e1 x1 x2 x3.(on(e1,x3) & n_stage(x3) & Actor(e1,x1) & v_play(e1) & in(x1,x2) & n_band(x2) & n_people(x1) & card_eq_3(x1))
exists e1 p1 x1 x2 x3.(Topic(e1,p1) & exists e2 x4 x5.(in(e2,x5) & n_park(x5) & Theme(e2,x4) & Actor(e2,x1) & v_feed(e2) & n_bird(x4)) & Theme(e1,x3) & Actor(e1,x2) & v_stop(e1) & n_thing(x3) & n_people(x2) & card_eq_3(x2) & n_people(x1) & card_eq_3(x1))