(S (S (BASENP (DT The) (VBN sacked) (NNS workers)) (VP (VBP are) (VP (VBG being) (VP (VP (VBN supported) (PP (IN in) (BASENP (PRPD their) (NN claim)))) (PP (IN by) (BASENP (DT the) (NNS workers) (NN union) (NNP Unite))))))) (PERIOD .))