The man in the white shirt is waiting for the train to stop.
The man is about to cross the train tracks.
Not all men who are waiting for the train to stop are about to cross the train tracks.
exists e1 p1 s1 x1 x2 x3.(n_train(x3) & n_shirt(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1) & for(e1,x3) & Topic(x3,p1) & exists e2.(Actor(e2,x3) & v_stop(e2)) & Actor(e1,x1) & v_wait(e1) & in(x1,x2))
exists p1 s1 x1 x2 x3.(n_track(x2) & of(x2,x3) & n_train(x3) & n_man(x1) & Topic(s1,p1) & Actor(s1,x1) & a_about(s1) & exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_cross(e1)))