(S (S (SBAR (IN If) (S (BASENP (DT this) (NN case)) (VP (VBZ is) (ADJP (JJ successful))))) (S (BASENP (PRP it)) (VP (MD could) (VP (VP (VB threaten) (NP (BASENP (DT the) (NN film)) (COLON ;) (VP (VBG starring) (NP (BASENP (NNP Tom) (NNP Hanks)) (CC and) (BASENP (NNP Sir) (NNP Ian) (NNP McKellen)))))) (PP (IN from) (S (VP (VBG opening)))))))) (PERIOD .))