a soap-opera quality twist in the last 20 minutes ... almost puts the kibosh on what is otherwise a sumptuous work of b-movie imagination . 
(ROOT (S (NP (NP (DT a) (NML (NN soap) (HYPH -) (NN opera)) (NN quality) (NN twist)) (PP (IN in) (NP (DT the) (JJ last) (CD 20) (NNS minutes)))) (, ...) (ADVP (RB almost)) (VP (VBZ puts) (NP (DT the) (NN kibosh)) (PP (IN on) (SBAR (WHNP (WP what)) (S (VP (VBZ is) (ADVP (RB otherwise)) (NP (NP (DT a) (JJ sumptuous) (NN work)) (PP (IN of) (NP (NN b-movie) (NN imagination))))))))) (. .)))
(ROOT (S (NP (NP (DT ) (NML (NN ) (HYPH ) (NN )) (NN ) (NN )) (PP (IN ) (NP (DT ) (JJ ) (CD ) (NNS )))) (, ) (ADVP (RB )) (VP (VBZ ) (NP (DT ) (NN )) (PP (IN ) (SBAR (WHNP (WP )) (S (VP (VBZ ) (ADVP (RB )) (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (NN ) (NN ))))))))) (. )))