Definition: In this task, you're given a statement, and three sentences as choices. Your job is to determine which sentence clearly disagrees with the statement. Indicate your answer as '1', '2', or '3' corresponding to the choice number of the selected sentence.
Input: Statement: This index provides references to the topic in (1) this Volume, (2) the original statements, and (3) Volume 2. References to the original statements are organized as  The first character indicates that it is a Concepts Statement (C) or a Standards Statement (S). Choices:  1. There are no such things as indexs. 2. This index refers to another statement. 3. THis index refers to another chapter.

1