(S (S (PP (VBG According) (PP (TO to) (BASENP (DT the) (NNP Commission)))) (COMMA ,) (S (S (S (BASENP (NNS employers)) (VP (MD must) (VP (VB provide) (QT (DQL ``) (BASENP (JJ reasonable) (NN accommodation)) (DQR ''))))) (SBAR (IN if) (S (BASENP (DT an) (NN employee)) (VP (VBZ challenges) (BASENP (DT a) (NN training) (NN course)))))) (COMMA ,) (SBAR (IN unless) (S (BASENP (DT this)) (VP (VBZ causes) (NP (QT (DQL ``) (BASENP (JJ undue) (NN hardship)) (DQR '')) (PP (IN for) (BASENP (DT the) (NN company))))))))) (PERIOD .))