A man on a construction site.
A man on a construction site waiting for a concrete deliver
site is not the same as  deliver
exists x1 x2 x3.(a_topic(x1) & on(x1,x2) & n_site(x2) & of(x2,x3) & n_construction(x3) & n_man(x1))
exists e1 e2 x1 x2 x3 x4 x5.(Actor(e2,x1) & v_deliver(e2) & on(x1,x2) & for(e1,x5) & n_concrete(x5) & Actor(e1,x4) & v_wait(e1) & (x2 = x4) & n_site(x2) & of(x2,x3) & n_construction(x3) & n_man(x1))