a film 's title served such dire warning 
(ROOT (S (NP (NP (DT a) (NN film) (POS 's)) (NN title)) (VP (VBD served) (NP (JJ such) (JJ dire) (NN warning)))))
(ROOT (S (NP (NP (DT ) (NN ) (POS )) (NN )) (VP (VBD ) (NP (JJ ) (JJ ) (NN )))))