Two men are walking past a castle.
Two women are going for a run.
It has to be either men or women.   Cannot be both.
exists e1 x1 x2.(past(e1,x2) & n_castle(x2) & Actor(e1,x1) & v_walk(e1) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2.(for(e1,x2) & n_run(x2) & Actor(e1,x1) & v_go(e1) & n_woman(x1) & card_eq_2(x1))