(S (S (BASENP (PRP He)) (VP (VBD won) (NP (BASENP (DT a) (NNP February) (NN referendum)) (VP (VP (VBG amending) (BASENP (DT the) (NN constitution))) (CC and) (VP (VBG letting) (S (S (BASENP (PRP him)) (VP (VB stay) (PP (IN in) (BASENP (NN power))))) (SBAR (IN until) (S (BASENP (PRP he)) (VP (VP (VBZ is) (RB not)) (VP (VBN re-elected))))))))))) (PERIOD .))