A city street busy with people and cars.
The city is busy.
Both cities are busy
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 s1 x1.(n_city(x1) & Theme(s1,x1) & a_busy(s1))