A metal worker in a lift is cutting a rusty girder.
The metal worker stands by the curb.
A person cannot be both in a lift and by a curb at the same time.
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_cut(e1) & n_girder(x4) & a_rusty(s1) & Theme(s1,x4) & in(x1,x3) & n_lift(x3) & n_worker(x1) & of(x1,x2) & n_metal(x2))
exists x1 x2 x3 x4.(n_curb(x4) & n_stand(x1) & of(x1,x3) & n_worker(x3) & of(x1,x2) & n_metal(x2) & a_topic(x1) & by(x1,x4))