(S (S (NP (NP (NP (BASENP (NNP Gingrich) (POS 's)) (CC and) (BASENP (NNP Perry) (POS 's))) (NNS campaigns)) (BASENP (DT both))) (VP (VBD claimed) (S (VP (TO to) (VP (VB have) (NP (NP (BASENP (JJR more) (NNS signatures)) (SBAR (IN than) (S (VBN needed)))) (COMMA ,) (NP (BASENP (NN 11,050) (CC and) (NN 11,911)) (ADVP (RB respectively))))))))) (PERIOD .))