good at being the ultra-violent gangster wannabe 
(ROOT (ADJP (JJ good) (PP (IN at) (S (VP (VBG being) (NP (DT the) (JJ ultra-violent) (NN gangster) (NN wannabe)))))))
(ROOT (ADJP (JJ ) (PP (IN ) (S (VP (VBG ) (NP (DT ) (JJ ) (NN ) (NN )))))))