(S (S (BASENP (PRP He)) (VP (VP (VBZ is) (ADVP (RB currently))) (NP (NP (BASENP (DT a) (JJ Independent) (NNP Senator)) (PP (IN in) (BASENP (NNP Connecticut)))) (COMMA ,) (SBAR (WHNP (WP who)) (S (VP (VBZ caucuses) (PP (IN with) (BASENP (DT the) (JJ Democratic) (NN party))))))))) (PERIOD .))