(S (S (NP (NP (QP (ADVP (RBR More) (IN than)) (NN 70)) (NNS flights)) (VP (VBN headed) (PP (TO to) (BASENP (NNP San) (NNP Francisco))))) (VP (VP (VP (VBD were) (RB not)) (VP (VBN allowed) (S (VP (TO to) (VP (VB land) (PP (IN at) (BASENP (DT the) (NN airport)))))))) (CC and) (VP (VBD were) (VP (VBN sent) (PP (TO to) (BASENP (JJ other) (NNS cities))))))) (PERIOD .))