dogs racing
Dogs are sitting and not moving.
racing  is not the same as  sitting
exists e1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_race(e1) & (x1 = x2) & n_dog(x1))
exists e1 x1 x2.(-exists e2.(Actor(e2,x2) & v_move(e2)) & n_dog(x2) & Actor(e1,x1) & v_sit(e1) & n_dog(x1))