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: Whether these habits will change on their own, with the maturation of a more tolerant generation, or whether full social acceptance of black Americans will require a concerted governmental effort, is unknowable. Choices: 1. Social acceptance of black Americans will fail and there's nothing the government can do about it. 2. Who knows if black Americans will be more accepted by society in future. 3. A more tolerant generation will probably result in less racism.

3