the richness of characterization that makes his films so memorable 
(ROOT (NP (NP (NP (DT the) (NN richness)) (PP (IN of) (NP (NN characterization)))) (SBAR (WHNP (WDT that)) (S (VP (VBZ makes) (S (NP (PRP$ his) (NNS films)) (ADJP (RB so) (JJ memorable))))))))
(ROOT (NP (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN )))) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (S (NP (PRP$ ) (NNS )) (ADJP (RB ) (JJ ))))))))