There is a lot of traffic on the road.
a boy playing outside
There is either traffic on the road or a boy playing outside.
exists p1 x1 x4.(n_road(x4) & exists x2 x3.((x1 = x2) & on(x2,x4) & of(x2,x3) & n_traffic(x3) & n_lot(x2)))
exists x1 x2 x3.(a_topic(x1) & n_outside(x1) & of(x1,x3) & n_playing(x3) & of(x1,x2) & n_boy(x2))