Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Statement: If 4 months is added for pre-contract effort and 1-2 months is provided for start up and commissioning, the total project duration would be anywhere from about 21 months to 26 months. Choices: 1. The project is expected to take somewhere between 21 months to 26 months. 2. The project is expected to take no more than 20 months. 3. The pre-contract effort is surprisingly long at 4 months.
Student:
2