(S (S (BASENP (NN Today)) (S (PP (IN on) (BASENP (JJ Capitol) (NNS Hill))) (COMMA ,) (S (BASENP (NNP U.S.) (NNP Army) (NNP General) (NNP David) (NNP Petraeus)) (VP (VBD presented) (BASENP (DT a) (ADJP (RB long) (JJ awaited)) (NN testimony)))))) (PERIOD .))