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: It was to represent a line of thought, not a personal attack on Bob Bork's book. Choices:  1. Bob Bork is the author of a book titled, "The Dawn Before Time" which he wrote in 1978.  2. It was clearly a personal attack on the author, Bob Bork.  3. It was just a thought and not an attack on Bob's book. 

2