Two women walk down a street.
The women are walking.
One must be walking to walk down a street.
exists e1 x1 x2.(down(e1,x2) & n_street(x2) & Actor(e1,x1) & v_walk(e1) & n_woman(x1) & card_eq_2(x1))
exists e1 x1.(n_woman(x1) & Actor(e1,x1) & v_walk(e1))