Four people are walking on a bridge.
The women walk across the bridge.
Not all people are women.
exists e1 x1 x2.(on(e1,x2) & n_bridge(x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1) & card_eq_4(x1))
exists e1 x1 x2.(n_bridge(x2) & n_woman(x1) & across(e1,x2) & Actor(e1,x1) & v_walk(e1))