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: Setbacks in the 1930s caused by the European postwar slump were only a spur to redouble efforts by diversifying heavy industry into the machine-making, metallurgical, and chemical sectors. Choices:  1. The European postwar slump caused a number of problems in the 1930s. 2. The European postwar slump dampened efforts to diversify economically. 3. The diversifying of industries went a long way towards creating jobs.

2