grant is certainly amusing , but the very hollowness of the character he plays keeps him at arms length 
(ROOT (S (S (NP (NN grant)) (VP (VBZ is) (ADVP (RB certainly)) (ADJP (JJ amusing)))) (, ,) (CC but) (S (NP (NP (DT the) (JJ very) (NN hollowness)) (PP (IN of) (NP (NP (DT the) (NN character)) (SBAR (S (NP (PRP he)) (VP (VBZ plays))))))) (VP (VBZ keeps) (NP (PRP him)) (PP (IN at) (NP (NNS arms) (NN length)))))))
(ROOT (S (S (NP (NN )) (VP (VBZ ) (ADVP (RB )) (ADJP (JJ )))) (, ) (CC ) (S (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (NP (DT ) (NN )) (SBAR (S (NP (PRP )) (VP (VBZ ))))))) (VP (VBZ ) (NP (PRP )) (PP (IN ) (NP (NNS ) (NN )))))))