(S (S (BASENP (NNP Djibouti) (CC and) (NNP Eritrea)) (VP (VBP have) (VP (VP (VP (VBN spoken) (PP (TO to) (BASENP (DT the) (NNP United) (NNPS Nations) (NN security) (NN council)))) (PP (IN on) (BASENP (NNP Thursday)))) (S (VP (TO to) (VP (VB discuss) (BASENP (DT a) (NN border) (NN dispute)))))))) (PERIOD .))