Two females walking down the street with shopping bags.
Two men walk with lunchboxes down the street.
two females is contradictory to two men
exists e1 x1 x2 x3 x4 x5.(n_street(x3) & a_topic(x1) & with(e1,x4) & n_bag(x4) & of(x4,x5) & n_shopping(x5) & down(e1,x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_female(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_street(x3) & with(e1,x2) & down(x2,x3) & n_lunchbox(x2) & Actor(e1,x1) & v_walk(e1) & n_man(x1) & card_eq_2(x1))