to get at the root psychology of this film would require many sessions on the couch of dr. freud . 
(ROOT (S (S (VP (TO to) (VP (VB get) (PP (IN at) (NP (NP (DT the) (NN root) (NN psychology)) (PP (IN of) (NP (DT this) (NN film)))))))) (VP (MD would) (VP (VB require) (NP (NP (JJ many) (NNS sessions)) (PP (IN on) (NP (NP (DT the) (NN couch)) (PP (IN of) (NP (NNP dr.) (NN freud)))))))) (. .)))
(ROOT (S (S (VP (TO ) (VP (VB ) (PP (IN ) (NP (NP (DT ) (NN ) (NN )) (PP (IN ) (NP (DT ) (NN )))))))) (VP (MD ) (VP (VB ) (NP (NP (JJ ) (NNS )) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NNP ) (NN )))))))) (. )))