A conductor of a train is inside the train working on it as two other men watch.
A conductor of train is on work.
The conductor inside the train working is the same as a conductor is on work.
exists p1 x1 x2 x5.(n_man(x5) & exists e1 e2 x3 x4 x6.(inside(x1,x2) & Theme(e2,x6) & Actor(e2,e1) & v_watch(e2) & (x2 = x6) & as(e1,x4) & -(x4 = x5) & n_man(x4) & card_eq_2(x4) & on(e1,x1) & Actor(e1,x3) & v_work(e1) & n_thing(x3)) & n_thing(x1) & n_train(x2) & n_train(x2) & of(x1,x2) & n_conductor(x1))
exists p1 x1 x2.(exists x3.(on(x1,x3) & n_work(x3)) & of(x1,x2) & n_train(x2) & n_conductor(x1))