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: If the firm has not made a sound business case, or has been unable to deliver on one or more of the business case factors, it faces a very real prospect of failure-the customer may walk away. Choices:  1. The firm is guaranteed to be successful. 2. The firm might fail if it doesn't make a sound business case. 3. The firm might fail if it can't show stockholders that it performs well.

1