Definition: In this task, you're given a statement and three sentences as choices. Your job is to determine the neutral choice based on your inference from the statement and your commonsense knowledge. The neutral choice is a sentence that neither agrees nor disagrees with the statement. Indicate your answer as '1', '2', or '3', corresponding to the choice number of the selected sentence. If sentence X agrees with sentence Y, one's correctness follows from the other one. If sentence X disagrees with sentence Y, they can not be correct at the same time.
Input: Statement: For the third and fourth quintiles, Social Security still serves as the most important source of retirement income. Choices: 1. The third and fourth quintiles have no connection to social security when it comes to their sources of retirement income.  2. The other quintiles do not rely on social security has much as the third and fourth quintiles do in retirement income.  3. Social security is still the most important source of retirement income for the 3rd and 4th quintiles. 

2