it amounts to is a mildly funny , sometimes tedious , ultimately insignificant film 
(ROOT (S (S (NP (PRP it)) (VP (VBZ amounts) (PP (IN to)))) (VP (VBZ is) (NP (DT a) (ADJP (ADJP (RB mildly) (JJ funny)) (, ,) (ADJP (RB sometimes) (JJ tedious)) (, ,) (ADJP (RB ultimately) (JJ insignificant))) (NN film)))))
(ROOT (S (S (NP (PRP )) (VP (VBZ ) (PP (IN )))) (VP (VBZ ) (NP (DT ) (ADJP (ADJP (RB ) (JJ )) (, ) (ADJP (RB ) (JJ )) (, ) (ADJP (RB ) (JJ ))) (NN )))))