Six women are standing in front of a group of onlookers.
Six men are standing in front of a group of onlookers.
They can only be either men or women.
exists e1 x1 x2 x3 x4.(in(e1,x2) & of(x2,x3) & of(x3,x4) & n_onlooker(x4) & n_group(x3) & n_front(x2) & Actor(e1,x1) & v_stand(e1) & n_woman(x1) & card_eq_6(x1))
exists e1 x1 x2 x3 x4.(in(e1,x2) & of(x2,x3) & of(x3,x4) & n_onlooker(x4) & n_group(x3) & n_front(x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1) & card_eq_6(x1))