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: The other categories of aliens and the presence requirement were retained. Choices:  1. There are numerous categories for aliens 2. Aliens cannot and should not be categorized. 3. Retained were some of the categories of aliens.

2