is so convinced of its own brilliance 
(ROOT (VP (VBZ is) (ADJP (RB so) (VBN convinced) (PP (IN of) (NP (PRP$ its) (JJ own) (NN brilliance))))))
(ROOT (VP (VBZ ) (ADJP (RB ) (VBN ) (PP (IN ) (NP (PRP$ ) (JJ ) (NN ))))))