(S (S (BASENP (DT The) (NNS airlines)) (VP (VBP believe) (SBAR (S (BASENP (DT the) (NN merger)) (VP (MD will) (VP (VP (VB save) (BASENP (QP (DOLLAR $) (NN 530) (NN million)))) (ADVP (RB annually)))))))) (PERIOD .))