People running on a street.
People are running down the road
People are running down the road which is a street.
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_street(x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_people(x1))
exists e1 x1 x2.(n_road(x2) & down(e1,x2) & Actor(e1,x1) & v_run(e1) & n_people(x1))