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: This was done by a combination of four key elements. Choices:  1. This was completed without the four key elements. 2. The four key elements combined to complete this. 3. The four key elements are earth, fire, wind, and water.

1