sandra bullock and hugh grant make a great team , but 
(ROOT (S (NP (NP (NNP sandra) (NNP bullock)) (CC and) (NP (NNP hugh) (NN grant))) (VP (VB make) (NP (DT a) (JJ great) (NN team))) (, ,) (CC but)))
(ROOT (S (NP (NP (NNP ) (NNP )) (CC ) (NP (NNP ) (NN ))) (VP (VB ) (NP (DT ) (JJ ) (NN ))) (, ) (CC )))