(S (S (BASENP (NNP Bongo)) (VP (VBD was) (VP (VP (VBN considered) (NP (BASENP (DT the) (NN front-runner)) (PP (IN in) (BASENP (DT the) (NN election))))) (PP (IN since) (NP (NP (NP (BASENP (PRPD his) (NN father) (POS 's)) (NN death)) (PP (IN in) (BASENP (NNP June)))) (COMMA ,) (PP (IN after) (NP (BASENP (NN 42) (NNS years)) (PP (IN in) (BASENP (NN power)))))))))) (PERIOD .))