A construction site with building material.
The workers on the construction site are waiting for materials to be delivered.
Building material is different than material.
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 e1 p1 x1 x2 x3.(n_site(x2) & of(x2,x3) & n_construction(x3) & n_worker(x1) & Topic(e1,p1) & Actor(e1,x1) & v_wait(e1) & exists e2 x4.(Theme(e2,x4) & v_deliver(e2) & n_material(x4)) & on(x1,x2))