Construction workers chatting on-site.
Some construction workers are chatting on their work site.
The construction workers chatting are at their work site.
exists e1 p1 x1 x2.(exists s1.(Theme(s1,x1) & a_on-site(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_chat(e1) & n_worker(x1) & of(x1,x2) & n_construction(x2))
exists e1 x1 x2 x3 x4.(on(e1,x3) & n_site(x3) & of(x3,x4) & n_work(x4) & of(x3,x1) & n_thing(x1) & Actor(e1,x1) & v_chat(e1) & n_worker(x1) & of(x1,x2) & n_construction(x2))