A man is standing on top of a tall building that overlooks the city.
The man is on a skyscraper.
Not all tall buildings are a skyscraper.
exists e1 e2 s1 x1 x2 x3 x4 x5.(n_city(x5) & on(e1,x2) & of(x2,x3) & Theme(e2,x5) & Actor(e2,x4) & v_overlook(e2) & (x3 = x4) & n_building(x3) & a_tall(s1) & Theme(s1,x3) & n_top(x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
exists p1 x1.(n_man(x1) & exists x2.(on(x1,x2) & n_skyscraper(x2)))