oliver stone 's conspiracy thriller jfk 
(ROOT (NP (NP (NP (NNP oliver) (NN stone) (POS 's)) (NN conspiracy) (NN thriller)) (NP (NNP jfk))))
(ROOT (NP (NP (NP (NNP ) (NN ) (POS )) (NN ) (NN )) (NP (NNP ))))