an obvious copy of one of the best films ever made , how could it not be ? 
(ROOT (FRAG (NP (NP (DT an) (JJ obvious) (NN copy)) (PP (IN of) (NP (NP (CD one)) (PP (IN of) (NP (NP (DT the) (JJS best) (NNS films)) (VP (ADVP (RB ever)) (VBN made))))))) (, ,) (SBARQ (WHADVP (WRB how)) (SQ (MD could) (NP (PRP it)) (RB not) (VP (VB be)))) (. ?)))
(ROOT (FRAG (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (NP (CD )) (PP (IN ) (NP (NP (DT ) (JJS ) (NNS )) (VP (ADVP (RB )) (VBN ))))))) (, ) (SBARQ (WHADVP (WRB )) (SQ (MD ) (NP (PRP )) (RB ) (VP (VB )))) (. )))