(S (S (NP (NP (BASENP (NNP Democratic) (NNP Party)) (PP (IN of) (BASENP (NNP Japan)))) (PRN (LRB -LRB-) (BASENP (NNP DPJ)) (RRB -RRB-))) (VP (MD could) (VP (VP (VB claim) (BASENP (NN victory))) (PP (IN in) (NP (BASENP (NNP Sunday) (POS 's)) (NP (BASENP (NNP House)) (PP (IN of) (BASENP (NNPS Councillors) (NNS elections))))))))) (PERIOD .))