that the bulk of the movie centers on the wrong character 
(ROOT (SBAR (IN that) (S (NP (NP (DT the) (NN bulk)) (PP (IN of) (NP (DT the) (NN movie)))) (VP (VBZ centers) (PP (IN on) (NP (DT the) (JJ wrong) (NN character)))))))
(ROOT (SBAR (IN ) (S (NP (NP (DT ) (NN )) (PP (IN ) (NP (DT ) (NN )))) (VP (VBZ ) (PP (IN ) (NP (DT ) (JJ ) (NN )))))))