(S (S (BASENP (NNP Desta)) (VP (VP (VBD accused) (BASENP (NNP Ethiopia))) (PP (IN of) (S (VP (VP (VBG worsening) (BASENP (DT the) (NN situation))) (PP (IN by) (S (VP (VBG preparing) (S (BASENP (JJ military) (NNS forces)) (VP (TO to) (VP (VB help) (BASENP (NNP Djibouti))))))))))))) (PERIOD .))