two indian women walk down a road.
Nobody is walking
It is either two women or nobody.
exists e1 s1 x1 x2.(down(e1,x2) & n_road(x2) & Actor(e1,x1) & v_walk(e1) & n_woman(x1) & a_indian(s1) & Theme(s1,x1) & card_eq_2(x1))
-exists e1 x1.(Actor(e1,x1) & v_walk(e1) & n_person(x1))