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.

Example Input: Statement: well we have a little bit of a basis for conversation i was a substitute teacher for about a year Choices:  1. I was only ever a full-time teacher. 2. I enjoyed being a substitute. 3. For a year, I was a substitute teacher.
Example Output: 1

Example Input: Statement: It said this possibly reflected concerns about a planned amendment to the Irish Constitution that would make Irish reunification contingent on majority consent in Ulster. Choices:  1. The Irish constitution was being amended 2. There were lawyers involved in the amendment process 3. The Scottish had a say in the Irish amendments
Example Output: 3

Example Input: Statement: Therefore, it may be possible for a fairly simple model to explain total and unit cost differences between posts. Choices:  1. There is no need for a complex model for explaining cost differences between posts. 2. Simple models have always been used for explaining cost differences between posts. 3. The cost differences between posts require a very intricate model for explaining them.
Example Output:
3