The old man with a cane is listening to a walkman.
A man is watching a movie
A cane is not needed to watch a movie.
exists e1 s1 x1 x2 x3.(n_man(x1) & a_old(s1) & Theme(s1,x1) & to(e1,x3) & n_walkman(x3) & Actor(e1,x1) & v_listen(e1) & with(x1,x2) & n_cane(x2))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_movie(x2) & n_man(x1))