(S (S (NP (BASENP (DT The) (NNPS Workers) (NNP Party)) (PRN (LRB -LRB-) (BASENP (NNP PT)) (RRB -RRB-))) (VP (VBZ has) (VP (VBN demanded) (NP (BASENP (DT the) (NNS gunfighters) (POS ')) (BASENP (NN arrest) (CC and) (NNS punishment)))))) (PERIOD .))