(S (S (SBAR (IN After) (S (VP (VBG being) (VP (VBN cleared) (PP (IN of) (BASENP (DT any) (NN threat))))))) (COMMA ,) (S (BASENP (DT the) (NN aircraft)) (VP (VBD was) (VP (VBN expected) (S (VP (TO to) (VP (VB continue) (PP (TO to) (BASENP (NNP San) (NNP Diego)))))))))) (PERIOD .))