A construction site with building material.
A construction site with concrete and lumber.
There are other building materials other than concrete and lumber.
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 s1 x1 x2 x3.(a_topic(x1) & with(x1,x3) & n_lumber(x3) & a_concrete(s1) & Theme(s1,x3) & n_site(x1) & of(x1,x2) & n_construction(x2))