one of the greatest films i 've ever seen . 
(ROOT (NP (NP (CD one)) (PP (IN of) (NP (NP (DT the) (JJS greatest) (NNS films)) (SBAR (S (NP (PRP i)) (VP (VBP 've) (ADVP (RB ever)) (VP (VBN seen))))))) (. .)))
(ROOT (NP (NP (CD )) (PP (IN ) (NP (NP (DT ) (JJS ) (NNS )) (SBAR (S (NP (PRP )) (VP (VBP ) (ADVP (RB )) (VP (VBN ))))))) (. )))