Three men working with a locomotive.
Three men are fixing a locomotive
Working with does nit imply fixing.
exists e1 x1 x2 x3.(a_topic(x1) & with(e1,x3) & n_locomotive(x3) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_man(x1) & card_eq_3(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_fix(e1) & n_locomotive(x2) & n_man(x1) & card_eq_3(x1))