A man working with machinery with other men.
A man is sleeping.
Person working with machinery with not be sleeping at the same time.
exists e1 x1 x2 x3 x4.(a_topic(x1) & with(e1,x4) & -(x4 = x1) & n_man(x1) & n_man(x1) & n_man(x4) & with(e1,x3) & n_machinery(x3) & Actor(e1,x2) & v_work(e1) & (x1 = x2))
exists e1 x1.(Actor(e1,x1) & v_sleep(e1) & n_man(x1))