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: There ought to be room in the retelling of it for the letters Mark Twain and Frederick Douglass exchanged, for the similarities between Invisible Man and Ben Franklin's Autobiography , for the presence of Charles Chesnutt at the banquet to honor Twain shortly before the latter's death, and for the monument in Mississippi to the slaves who rode with a band of Confederate irregulars. Choices:  1. Mark Twain and Frederick  Douglas exchanged letters because they were friends. 2. Mark Twain and Frederick  Douglas exchanged letters. 3. Charles Dickens and Frederick  Douglas exchanged letters.

3