(S (S (BASENP (NNP Colbert)) (VP (VP (VBD had) (VP (ADVP (RB originally)) (VP (VBN announced) (NP (BASENP (PRPD his) (NN intention)) (S (VP (TO to) (VP (VB run) (PP (IN as) (BASENP (CC both) (DT a) (NNP Republican) (CC and) (NNP Democrat)))))))))) (CONJP (COMMA ,) (CC but)) (VP (ADVP (RB only)) (VP (VBD filed) (PP (IN for) (BASENP (DT the) (NNP Democratic))))))) (PERIOD .))