premise: The 2007 Hertsmere Borough Council election took place on 3 May 2007 to elect members of Hertsmere Borough Council in Hertfordshire, England. One third of the council was up for election and the Conservative party stayed in overall control of the council.
hypothesis: The Conservative party was not in control of the council prior to the 2007 elections.
reason: If the Conservative party stayed in control of the council in the 2007 elections, it would be presumed the the Conservative party was in control prior to the 2007 elections. 