Given the task definition and input, reply with output. 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: The Integrated Planning Model (IPM) was used to derive all future projections of electricity generation source emissions. Choices: 1. The Integrated Planning Model made coal mines more stable and safe. 2. The model showed what time of day the most electricity was used. 3. The Integrated Planning Model helped to make electricity generation emmission projections
1