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: 1) total amount of research to investigate the modality, 2) methodological quality of research, 3) number of studies demonstrating improved outcomes, and 4) cost effectiveness. Choices: 1. Cost effectiveness was not accounted for and is not relevant. 2. There were a number of studies Power conducted to demonstrate better outcomes. 3. Over 1000 researchers investigated at the modality.

3