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: Dr. Sun Yat-sen (1866 1925) began his political career in Canton. Choices:  1.  Dr. Sun Yat-sen was a known politician. 2. Throughout his life, Dr. Sun Yat-sen never participated in politics. 3.  Dr. Sun Yat-sen had largely conservative political views.

2