rtokens: William Hill said the odds were the longest they had been for six months .
pos: NNP NNS NNP NNP VBD IN NNP PRP VBP VBN DT NNS IN DT JJ NN IN DT JJ JJ NN IN CD TO CD .
tokens: UK bookmakers William Hill said on Friday they have lengthened the odds of a Conservative victory in the next general election from 9-4 to 5-2 .
ltokens: LONDON 1996-12-06