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: A large quantity of new generating capacity, consisting mostly of gas combined cycle units, has been built within the last several years. Choices: 1. The last several years have brought much more capacity. 2. No new generating capacity has been built recently 3. Gas combined cycle units are the most efficient.
2