(S (S (NP (BASENP (DT The) (NNP U.S.)) (CC and) (BASENP (NNP South) (NNP Korea))) (VP (VBP have) (NP (BASENP (DT no) (NNS plans)) (SBAR (S (VP (TO to) (VP (VB cancel) (BASENP (DT the) (NNS exercises))))))))) (PERIOD .))