(S (S (BASENP (DT The) (NN company)) (VP (VBZ has) (VP (VBN been) (VP (VP (VBN investigated) (PP (IN by) (NP (BASENP (DT the) (NNP United) (NNPS States) (NNP Department)) (PP (IN of) (BASENP (NNP Labor)))))) (PP (IN in) (NP (BASENP (JJ separate) (NNS investigations)) (VP (VBN originating) (PP (IN out) (PP (IN of) (NP (NP (BASENP (NNP California)) (COMMA ,) (BASENP (NNP Colorado))) (CONJP (COMMA ,) (CC and)) (BASENP (NNP Texas)))))))))))) (PERIOD .))