(S (S (BASENP (NNP Bongo)) (VP (VBZ has) (VP (VBN promised) (S (VP (TO to) (VP (VP (VB improve) (NP (NP (NP (BASENP (NN health)) (COMMA ,) (BASENP (NN education))) (CONJP (COMMA ,) (CC and)) (BASENP (NN housing))) (PP (IN in) (BASENP (NNP Gabon))))) (CC and) (VP (ADVP (RBR more) (RB equitably)) (VP (VB distribute) (BASENP (NN oil) (NN revenue)))))))))) (PERIOD .))