(S (S (NP (BASENP (DT The) (JJ upward) (NN revision)) (PP (IN in) (BASENP (NN petrol) (CC and) (NN diesel) (NNS prices)))) (VP (VP (VBD was) (VP (VBG being) (VP (VP (VP (VP (VBN talked) (PP (IN about))) (PP (IN by) (BASENP (DT the) (NNP Centre)))) (PP (IN for) (BASENP (DT some) (NNS months)))) (ADVP (RB now))))) (CONJP (COMMA ,) (CC but)) (VP (VBD was) (VP (VBN put) (PP (IN on) (BASENP (NN hold))))))) (PERIOD .))