(S (S (BASENP (JJ Last) (NN week)) (COMMA ,) (S (BASENP (JJ similar) (NNS restrictions)) (VP (VBD were) (VP (VP (VBN imposed) (PP (IN by) (BASENP (DT the) (NNP U.S.)))) (PP (IN on) (NP (NP (BASENP (NN cotton) (NNS trousers)) (COMMA ,) (BASENP (NN knit) (NNS shirts))) (CONJP (COMMA ,) (CC and)) (BASENP (NN underwear)))))))) (PERIOD .))