(S (S (BASENP (JJ Large) (NNS teams)) (VP (VBP have) (VP (VBN been) (VP (VP (VBN established) (PP (IN within) (BASENP (NNS companies)))) (S (VP (TO to) (VP (VB work) (PP (IN toward) (NP (BASENP (DT the) (NN goal)) (PP (IN of) (NP (BASENP (JJR better) (NNS conditions)) (PP (IN for) (BASENP (NN factory) (NNS workers)))))))))))))) (PERIOD .))