(S (S (NP (NP (NP (NP (BASENP (NNP Kent) (NNP Conrad)) (COMMA ,) (BASENP (NNP Mary) (NNP Landrieu))) (COMMA ,) (BASENP (NNP Joseph) (NNP Lieberman))) (COMMA ,) (BASENP (NNP Ben) (NNP Nelson))) (CONJP (COMMA ,) (CC and)) (BASENP (NNP Ron) (NNP Wyden))) (VP (VBD were) (NP (BASENP (DT the) (NNPS Democrats)) (SBAR (WHNP (WP who)) (S (VP (VBD voted) (PP (IN for) (BASENP (DT the) (NN amendment))))))))) (PERIOD .))