the inherent limitations of using a video game as the source material movie 
(ROOT (NP (NP (DT the) (JJ inherent) (NNS limitations)) (PP (IN of) (S (VP (VBG using) (NP (DT a) (NN video) (NN game)) (PP (IN as) (NP (DT the) (NN source) (NN material)))))) (NN movie)))
(ROOT (NP (NP (DT ) (JJ ) (NNS )) (PP (IN ) (S (VP (VBG ) (NP (DT ) (NN ) (NN )) (PP (IN ) (NP (DT ) (NN ) (NN )))))) (NN )))