may not rival the filmmaker 's period pieces 
(ROOT (S (VP (MD may) (RB not) (VP (VB rival) (NP (NP (DT the) (NN filmmaker) (POS 's)) (NN period) (NNS pieces))))))
(ROOT (S (VP (MD ) (RB ) (VP (VB ) (NP (NP (DT ) (NN ) (POS )) (NN ) (NNS ))))))