(S (S (ADVP (RB However)) (COMMA ,) (S (BASENP (DT the) (NNS companies)) (VP (VBP have) (VP (PP (IN in) (BASENP (NN fact))) (VP (VP (VP (VBN sent) (BASENP (DT a) (NN message))) (PP (IN in) (BASENP (NN response)))) (S (VP (VBG saying) (SBAR (IN that) (S (NP (BASENP (DT the) (NNS prices)) (PP (IN of) (BASENP (NNS bills)))) (VP (MD may) (VP (ADVP (RB even)) (VP (VB increase) (PP (IN over) (NP (BASENP (DT the) (NN course)) (PP (IN of) (BASENP (DT the) (JJ next) (NN year))))))))))))))))) (PERIOD .))