He	(S (NP (NNP John)) (VP (V saw) (NP (DT a) (JJ beautiful) (NN car)) (PP (P at) (NP (DT the) (NN dealership))))) (S (NP (PRO He)) (VP (V showed) (NP (PRO it)) (PP (P to) (NP (NNP Bob)))))
(S (NP (PRO He)) (VP (V showed) (NP (PRO it)) (PP (P to) (NP (NNP Bob)))))
(S (NP (NNP John)) (VP (V saw) (NP (DT a) (JJ beautiful) (NN car)) (PP (P at) (NP (DT the) (NN dealership)))))
(NP (NNP John))
Accept
Correct
it	(S (NP (NNP John)) (VP (V saw) (NP (DT a) (JJ beautiful) (NN car)) (PP (P at) (NP (DT the) (NN dealership))))) (S (NP (PRO He)) (VP (V showed) (NP (PRO it)) (PP (P to) (NP (NNP Bob)))))
(S (NP (PRO He)) (VP (V showed) (NP (PRO it)) (PP (P to) (NP (NNP Bob)))))
(S (NP (NNP John)) (VP (V saw) (NP (DT a) (JJ beautiful) (NN car)) (PP (P at) (NP (DT the) (NN dealership)))))
(NP (NNP John))
Reject  - gender
(NP (DT a) (JJ beautiful) (NN car))
Accept
Correct