(S (S (SBAR (IN Before) (S (VP (VBG heading) (PP (TO to) (BASENP (NNP Saudi) (NNP Arabia)))))) (COMMA ,) (S (BASENP (NNP Mr.) (NNP Bush)) (VP (VP (VBD visited) (BASENP (NNP Dubai))) (ADVP (RB briefly))))) (PERIOD .))