Two ladies dancing on stage.
The two men on stage are sleeping while a crowd watches.
Ladies are not men. Sleeping can not happen while dancing.
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_stage(x3) & Actor(e1,x2) & v_dance(e1) & (x1 = x2) & n_lady(x1) & card_eq_2(x1))
exists e1 p1 x1 x2.(n_man(x1) & card_eq_2(x1) & exists e2 x3.(Actor(e2,x3) & v_watch(e2) & n_crowd(x3)) & while(e1,p1) & Actor(e1,x1) & v_sleep(e1) & on(x1,x2) & n_stage(x2))