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: What on earth does this mean? I asked, surprised.  Choices:  1. I knew exactly what it meant. 2. I did not know what it meant. 3. I wondered what it meant.

1