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: He was just 30 years old. Choices:  1. He is 31 years old. 2. His age was 30 years old. 3. His birthday was in December.

1