(S (S (NP (BASENP (NNS Members)) (PP (IN of) (BASENP (DT the) (NNP Republican) (NNP Party)))) (VP (VBP have) (VP (VP (VBN called) (PP (IN on) (BASENP (NNP Reid)))) (S (VP (TO to) (VP (VB resign) (PP (IN over) (BASENP (PRPD his) (NNS comments))))))))) (PERIOD .))