(S (S (BASENP (DT Some) (NNS senators)) (VP (VBD said) (SBAR (IN that) (S (NP (NP (RB only) (NP (BASENP (DT the) (NNPS Wokers) (POS ')) (NNP Party))) (BASENP (PRP itself))) (VP (VBD initiated) (BASENP (DT the) (NN crisis))))))) (PERIOD .))