(S (S (BASENP (DT The) (NNP United) (NNPS States)) (VP (VBZ has) (VP (VBN said) (SBAR (S (BASENP (PRP they)) (VP (MD will) (VP (ADVP (RB still)) (VP (VB seek) (NP (BASENP (JJ military) (NN action)) (PP (IN against) (BASENP (DT the) (JJ Syrian) (NN regime)))))))))))) (PERIOD .))