A worker washers the side of a train with a brush.
a man with no arms sleeps
If a worker washer the side of a train he couldn't have been sleeping at the same time.
exists e1 x1 x2 x3 x4.(n_side(x2) & Theme(e1,x2) & Actor(e1,x1) & v_washer(e1) & of(x2,x3) & with(x3,x4) & n_brush(x4) & n_train(x3) & n_worker(x1))
exists x1.(-exists e1 x2.(Actor(e1,x1) & v_sleep(e1) & with(x1,x2) & n_arm(x2)) & n_man(x1))