Men in orange suits are working on train tracks.
Construction workers doing work
Men in orange suits working on train tracks implies that those wearing orange-suits are construction workers.
exists e1 x1 x2 x3 x4 x5.(on(e1,x4) & n_track(x4) & of(x4,x5) & n_train(x5) & Actor(e1,x1) & v_work(e1) & in(x1,x2) & n_suit(x2) & of(x2,x3) & n_orange(x3) & n_man(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_do(e1) & n_work(x4) & (x1 = x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))