believability was n't one of the film 's virtues . 
(ROOT (S (NP (NN believability)) (VP (VBD was) (RB n't) (NP (NP (CD one)) (PP (IN of) (NP (NP (DT the) (NN film) (POS 's)) (NNS virtues))))) (. .)))
(ROOT (S (NP (NN )) (VP (VBD ) (RB ) (NP (NP (CD )) (PP (IN ) (NP (NP (DT ) (NN ) (POS )) (NNS ))))) (. )))