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: Ronald Maio suggested defining the unique role of the emergency department in the overall picture of treating alcohol problems. Choices: 1. Ronald Maio suggested defining the role of emergency medicine in treating chronic alcohol dependency issues. 2. The role of emergency medicine is not substantial enough when it comes to alcohol dependency treatment to deserve further study. 3. Ronald Maio suggested codifying the role of the emergency department in treating alcohol dependency issues.

1