never clearly defines his characters or gives us a reason to care about them . 
(ROOT (S (ADVP (RB never)) (ADVP (RB clearly)) (VP (VP (VBZ defines) (NP (PRP$ his) (NNS characters))) (CC or) (VP (VBZ gives) (NP (PRP us)) (NP (NP (DT a) (NN reason)) (SBAR (S (VP (TO to) (VP (VB care) (PP (IN about) (NP (PRP them)))))))))) (. .)))
(ROOT (S (ADVP (RB )) (ADVP (RB )) (VP (VP (VBZ ) (NP (PRP$ ) (NNS ))) (CC ) (VP (VBZ ) (NP (PRP )) (NP (NP (DT ) (NN )) (SBAR (S (VP (TO ) (VP (VB ) (PP (IN ) (NP (PRP )))))))))) (. )))