(S (S (BASENP (NNP US) (NNP President) (NNP Barack) (NNP Obama)) (VP (VP (VP (VBD held) (BASENP (DT a) (NN prayer) (NN breakfast))) (PP (IN in) (BASENP (DT the) (NNP White) (NNP House)))) (BASENP (NNP Tuesday) (NN morning)))) (PERIOD .))