Definition: In this task, you're given a statement, and three sentences as choices. Your job is to determine which sentence clearly disagrees with the statement. Indicate your answer as '1', '2', or '3' corresponding to the choice number of the selected sentence.
Input: Statement: But, in fact, there is no assurance that Greenspan and his colleagues have any actual intention of behaving in this way, nor any persuasive evidence that they have done so in the past. Choices:  1. Greenspan and his colleagues were caught behaving this way in the past and there is absolute proof of it.  2. Greenspan and his colleagues have definitely behaved this way in the past, they just didn't get caught.  3. It is unclear to some whether Greenspan and his colleagues actually intend to behave in this way. 

1