(S (S (BASENP (DT A) (NNP United) (NNPS Nations) (NN report)) (VP (VBZ has) (VP (VBN shown) (SBAR (IN that) (S (BASENP (NNS sports) (NN footwear) (NNS companies)) (VP (VP (VBP are) (VP (VP (VBG making) (BASENP (NN progress))) (PP (IN towards) (S (VP (VBG ending) (NP (BASENP (DT the) (NN use)) (PP (IN of) (BASENP (NNS sweatshops))))))))) (CC and) (VP (VBP are) (VP (VBG implementing) (NP (NP (BASENP (ADJP (RBR more) (JJ worker-friendly)) (NNS codes)) (PP (IN of) (BASENP (NN practice)))) (PP (IN than) (BASENP (NN clothing) (NNS companies) (CC and) (NNS retailers)))))))))))) (PERIOD .))