but what gives human nature its unique feel is kaufman 's script 
(ROOT (S (CC but) (SBAR (WHNP (WP what)) (S (VP (VBZ gives) (NP (JJ human) (NN nature)) (NP (PRP$ its) (JJ unique) (NN feel))))) (VP (VBZ is) (NP (NP (NNP kaufman) (POS 's)) (NN script)))))
(ROOT (S (CC ) (SBAR (WHNP (WP )) (S (VP (VBZ ) (NP (JJ ) (NN )) (NP (PRP$ ) (JJ ) (NN ))))) (VP (VBZ ) (NP (NP (NNP ) (POS )) (NN )))))