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: We have presented six types of case study evaluations and for each one described features such as number of sites, site selection, data collection, data analysis, and reporting. Choices: 1. Six types of case study evaluations have been presented with various features. 2. There are a minimum of five features incorporated into each case study evaluation proposal 3. Five types of case studies were presented.

2