(S (S (BASENP (NNP Obama)) (VP (ADVP (RB also)) (VP (VP (VP (VBD had) (NP (BASENP (DT a) (JJ major) (NN lead)) (PP (IN over) (BASENP (NNP Clinton))))) (PP (IN in) (BASENP (DT the) (NNP Washington) (NNS caucuses)))) (PP (IN by) (BASENP (DT a) (JJ 2-1) (NN margin)))))) (PERIOD .))