(S (S (BASENP (NNP China)) (VP (VBZ has) (VP (ADVP (RB also)) (VP (VBN strengthened) (NP (BASENP (NNS relationships)) (PP (IN with) (NP (BASENP (NN oil) (NNS suppliers)) (PP (IN in) (NP (BASENP (DT the) (NNP Middle) (NNP East)) (CC and) (BASENP (NNP Africa))))))))))) (PERIOD .))