(S (S (BASENP (PRP He)) (VP (VP (VBD announced) (NP (BASENP (PRPD his) (NN candidacy)) (PP (IN for) (BASENP (DT the) (NN 2012) (NN race))))) (PP (ADVP (RB immediately)) (PP (VBG following) (BASENP (DT the) (NN 2008) (NN election)))))) (PERIOD .))