(S (S (BASENP (NNP Petraeus)) (VP (VP (VBD presented) (BASENP (NNP Congress))) (PP (IN with) (NP (BASENP (DT a) (NN number)) (PP (IN of) (NP (BASENP (NNS charts) (CC and) (NNS graphs)) (PP (IN showing) (NP (BASENP (DT a) (NN decline)) (PP (IN in) (NP (BASENP (NNS violence)) (ADJP (JJ overall) (PP (IN in) (BASENP (NNP Iraq)))))))))))))) (PERIOD .))