us watch as his character awakens to the notion that to be human is eventually to have to choose 
(ROOT (S (NP (PRP us)) (VP (VBP watch) (SBAR (IN as) (S (NP (PRP$ his) (NN character)) (VP (VBZ awakens) (PP (IN to) (NP (DT the) (NN notion) (SBAR (IN that) (S (S (VP (TO to) (VP (VB be) (ADJP (JJ human))))) (VP (VBZ is) (ADVP (RB eventually)) (S (VP (TO to) (VP (VB have) (S (VP (TO to) (VP (VB choose))))))))))))))))))
(ROOT (S (NP (PRP )) (VP (VBP ) (SBAR (IN ) (S (NP (PRP$ ) (NN )) (VP (VBZ ) (PP (IN ) (NP (DT ) (NN ) (SBAR (IN ) (S (S (VP (TO ) (VP (VB ) (ADJP (JJ ))))) (VP (VBZ ) (ADVP (RB )) (S (VP (TO ) (VP (VB ) (S (VP (TO ) (VP (VB ))))))))))))))))))