retains ambiguities that make it well worth watching . 
(ROOT (S (VP (VBZ retains) (NP (NP (NNS ambiguities)) (SBAR (WHNP (WDT that)) (S (VP (VBP make) (S (NP (PRP it)) (ADJP (RB well) (JJ worth) (S (VP (VBG watching)))))))))) (. .)))
(ROOT (S (VP (VBZ ) (NP (NP (NNS )) (SBAR (WHNP (WDT )) (S (VP (VBP ) (S (NP (PRP )) (ADJP (RB ) (JJ ) (S (VP (VBG )))))))))) (. )))