a film living far too much in its own head 
(ROOT (NP (NP (DT a) (NN film)) (VP (VBG living) (ADVP (RB far) (RB too) (RB much)) (PP (IN in) (NP (PRP$ its) (JJ own) (NN head))))))
(ROOT (NP (NP (DT ) (NN )) (VP (VBG ) (ADVP (RB ) (RB ) (RB )) (PP (IN ) (NP (PRP$ ) (JJ ) (NN ))))))