(S (S (BASENP (NNP Djibouti)) (VP (VBZ has) (VP (VBN said) (SBAR (IN that) (S (SBAR (IN unless) (S (BASENP (DT the) (NNP UN)) (VP (VBZ intervenes)))) (S (NP (EX there)) (VP (MD will) (VP (VB be) (BASENP (NN war)))))))))) (PERIOD .))