has value can not be denied 
(ROOT (S (S (VP (VBZ has) (NP (NN value)))) (VP (MD can) (RB not) (VP (VB be) (VP (VBN denied))))))
(ROOT (S (S (VP (VBZ ) (NP (NN )))) (VP (MD ) (RB ) (VP (VB ) (VP (VBN ))))))