Instructions: 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: Harrer's memoir, which covers the years 1939-1952, never mentions him.) Choices: 1. Harrer's memoir covers 33 years. 2. Harrer's memoir covers 13 years. 3. Harrer's memoir covers the 13 years of his career.
Output:
1