derailed by bad writing and possibly also by some of that extensive post-production reworking to aim the film at young males in the throes of their first full flush of testosterone . 
(ROOT (S (VP (VBN derailed) (PP (PP (IN by) (NP (JJ bad) (NN writing))) (CC and) (ADVP (RB possibly)) (RB also) (PP (IN by) (NP (NP (NP (DT some)) (PP (IN of) (NP (DT that) (JJ extensive) (NML (NN post) (HYPH -) (NN production)) (NN reworking)))) (SBAR (S (VP (TO to) (VP (VB aim) (NP (DT the) (NN film)) (PP (IN at) (NP (NP (JJ young) (NNS males)) (PP (IN in) (NP (NP (DT the) (NN throes)) (PP (IN of) (NP (NP (PRP$ their) (JJ first) (JJ full) (NN flush)) (PP (IN of) (NP (NN testosterone))))))))))))))))) (. .)))
(ROOT (S (VP (VBN ) (PP (PP (IN ) (NP (JJ ) (NN ))) (CC ) (ADVP (RB )) (RB ) (PP (IN ) (NP (NP (NP (DT )) (PP (IN ) (NP (DT ) (JJ ) (NML (NN ) (HYPH ) (NN )) (NN )))) (SBAR (S (VP (TO ) (VP (VB ) (NP (DT ) (NN )) (PP (IN ) (NP (NP (JJ ) (NNS )) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NP (PRP$ ) (JJ ) (JJ ) (NN )) (PP (IN ) (NP (NN ))))))))))))))))) (. )))