People looking over the rail at something in the distance.
People on rail road track
on rail track is different looking over rail track
exists e1 x1 x2 x3 x4.(n_distance(x4) & n_rail(x2) & over(e1,x2) & at(x2,x3) & in(x3,x4) & n_thing(x3) & Actor(e1,x1) & v_look(e1) & n_people(x1))
exists x1 x2 x3 x4.(a_topic(x1) & on(x1,x2) & n_track(x2) & of(x2,x4) & n_road(x4) & of(x2,x3) & n_rail(x3) & n_people(x1))