(S (S (NP (QP (ADVP (IN At) (JJS least)) (NN three)) (NNS assailants)) (VP (VBD tried) (S (VP (TO to) (VP (VB storm) (NP (BASENP (DT the) (JJ U.S.) (NN embassy)) (PP (IN in) (NP (BASENP (DT the) (NNP Rawda) (NN area)) (PP (IN of) (BASENP (NNP Damascus) (COMMA ,) (NNP Syria))))))))))) (PERIOD .))