(S (S (PP (IN In) (NP (BASENP (NN addition)) (PP (TO to) (NP (NP (BASENP (DT the) (NN election)) (PP (IN of) (NP (BASENP (NNP Barack) (NNP Obama)) (PP (IN of) (BASENP (DT the) (JJ opposing) (NNPS Democrats)))))) (PP (IN in) (NP (BASENP (DT the) (JJ presidential) (NN election)) (PP (IN of) (BASENP (NN 2008))))))))) (COMMA ,) (S (BASENP (DT the) (NNPS Democrats)) (VP (VBD gained) (NP (NP (BASENP (NN eight) (NNS seats)) (PP (IN in) (BASENP (DT the) (NNP Senate)))) (CC and) (NP (BASENP (NN 21) (NNS seats)) (PP (IN in) (BASENP (DT the) (NNP House)))))))) (PERIOD .))