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: retirement contributions for low- and moderate-income families. Choices:  1. low-income families contribute to retirement 2. Low- and moderate-income families need help with retirement contributions. 3. Low- and moderate-income people do not contribute to their own retirement.

3