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: oh did they oh i didn't know that Choices:  1. I was unaware that they did that. 2. What happened when they did what they did? 3. I was well aware that they did.

3