You will be given a definition of a task first, then some input of the task.
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.

Statement: Such an approach invariably leads to added costs because programs are forced to fix problems late in development. Choices: 1. Approaches like that usually lead to added costs. 2. That's the safest approach possible in terms of avoiding unexpected costs. 3. Problems late in development are always guaranteed to happen.
Output:
2