grant is n't cary and bullock is n't katherine . 
(ROOT (S (S (NP (NN grant)) (VP (VBZ is) (RB n't) (ADJP (JJ cary)))) (CC and) (S (NP (NN bullock)) (VP (VBZ is) (RB n't) (NP (NNP katherine)))) (. .)))
(ROOT (S (S (NP (NN )) (VP (VBZ ) (RB ) (ADJP (JJ )))) (CC ) (S (NP (NN )) (VP (VBZ ) (RB ) (NP (NNP )))) (. )))