Definition: In this task, you're given a statement and three sentences as choices. Your job is to determine which sentence can be inferred from the statement. Incorrect choices change the meaning in important ways or have details that are not mentioned in the statement. Indicate your answer as 1,2, or 3 corresponding to the choice number of the selected sentence.
Input: Statement: There is considerable agreement that the consequence of the many variants in data collection for multiple sites is uncertain, but providing detailed information on the procedures that are used and an explanation of the reasons for the approach are essential to a good case study. Choices:  1. Providing detailed analyses that may seem to complicate the case study are necessary. 2. The consequences of data collection at multiple sites is certain. 3. Case studies that are ineffective most often do not explain differing procedures.

1