never clearly defines his characters or 
(ROOT (S (ADVP (RB never)) (ADVP (RB clearly)) (VP (VBZ defines) (NP (PRP$ his) (NNS characters))) (CC or)))
(ROOT (S (ADVP (RB )) (ADVP (RB )) (VP (VBZ ) (NP (PRP$ ) (NNS ))) (CC )))