Construction site for office building.
The construction is near completion.
Construction site for office building is not necessarily near completion.
exists x1 x2 x3 x4.(a_topic(x1) & for(x1,x3) & n_building(x3) & of(x3,x4) & n_office(x4) & n_site(x1) & of(x1,x2) & n_construction(x2))
exists p1 x1.(n_construction(x1) & exists s1 x2.((x1 = x2) & n_completion(x2) & a_near(s1) & Theme(s1,x2)))