donovan ... squanders his main asset , jackie chan , 
(ROOT (S (NP (NNP donovan)) (, ...) (VP (VBZ squanders) (NP (NP (PRP$ his) (JJ main) (NN asset)) (, ,) (NP (NN jackie) (NN chan)))) (, ,)))
(ROOT (S (NP (NNP )) (, ) (VP (VBZ ) (NP (NP (PRP$ ) (JJ ) (NN )) (, ) (NP (NN ) (NN )))) (, )))