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: We have your name, and the true symbol is the thing, as you should know. Choices:  1. Who are you, and why don't you know about the true symbol? 2. While we know who you are, you should know that the true symbol is key. 3. We found your name on the noticeboard.

1