major opportunity to be truly revelatory about his psyche 
(ROOT (NP (JJ major) (NN opportunity) (S (VP (TO to) (VP (VB be) (ADJP (RB truly) (JJ revelatory) (PP (IN about) (NP (PRP$ his) (NN psyche)))))))))
(ROOT (NP (JJ ) (NN ) (S (VP (TO ) (VP (VB ) (ADJP (RB ) (JJ ) (PP (IN ) (NP (PRP$ ) (NN )))))))))