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: One can, for example, read all the exchanges to date without knowing what either writer means by the word God. Choices:  1. Defining God was a challenge for the writers. 2. Both writers clearly stated what they meant by the term, "God". 3. Readers may not know how the authors define God.

2