buy is an accomplished actress , and this is a big , juicy role . 
(ROOT (S (S (NP (VB buy)) (VP (VBZ is) (NP (DT an) (VBN accomplished) (NN actress)))) (, ,) (CC and) (S (NP (DT this)) (VP (VBZ is) (NP (DT a) (JJ big) (, ,) (JJ juicy) (NN role)))) (. .)))
(ROOT (S (S (NP (VB )) (VP (VBZ ) (NP (DT ) (VBN ) (NN )))) (, ) (CC ) (S (NP (DT )) (VP (VBZ ) (NP (DT ) (JJ ) (, ) (JJ ) (NN )))) (. )))