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: Interlocking boards are also fairly common. Choices:  1. Interlocking boards are in high demand. 2. Interlocking boards are common. 3. Interlocking boards are unwanted.

3