(S (S (NP (BASENP (NNP Gabon) (POS 's)) (BASENP (JJ constitutional) (NN court))) (VP (VBZ has) (VP (VBN upheld) (NP (NP (BASENP (NNP Ali) (NNP Ben) (NNP Bongo) (POS 's)) (NN win)) (PP (IN in) (BASENP (DT the) (NNP August) (JJ presidential) (NN election))))))) (PERIOD .))