A city street busy with people and cars.
It is a ghost town.
If a city street is busy, it is probably not a ghost town.
exists s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & with(s1,x4) & subset_of(x6,x4) & n_car(x6) & subset_of(x5,x4) & n_people(x5) & Theme(s1,x3) & a_busy(s1) & (x1 = x3) & n_street(x1) & of(x1,x2) & n_city(x2))
exists p1 x1.(n_thing(x1) & exists x2 x3.((x1 = x2) & n_town(x2) & of(x2,x3) & n_ghost(x3)))