a sleeping man in a city area.
A man is in a city.
The man may or may not be sleeping.
exists e1 x1 x2 x3.(a_topic(x1) & in(x1,x2) & n_area(x2) & of(x2,x3) & n_city(x3) & n_man(x1) & Actor(e1,x1) & v_sleep(e1))
exists p1 x1.(exists x2.(in(x1,x2) & n_city(x2)) & n_man(x1))