A construction site with building material.
There is a construction site for an office building.
The construction site isn't necessarily for an office building.
exists x1 x2 x3 x4.(a_topic(x1) & with(x1,x3) & n_material(x3) & of(x3,x4) & n_building(x4) & n_site(x1) & of(x1,x2) & n_construction(x2))
exists p1 x1 x2 x3 x4 x5.((x1 = x2) & for(x2,x4) & n_building(x4) & of(x4,x5) & n_office(x5) & n_site(x2) & of(x2,x3) & n_construction(x3))