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.

Ex Input:
Statement: She became an assistant professor in 1983. Choices: 1. She was an assistant professor. 2. She has been in the field for long. 3. She was an assistant professor in 1980.

Ex Output:
3

Ex Input:
Statement: For example, if the analysis indicated that the maximum feasible level for 1998 was at or closer to one of the lower prior year standards than it was to the 1997 standard, prescribing that lower standard would not necessarily be impermissible. Choices: 1. if the analysis indicated that the maximum level was lower prior to last years standards prescribing that lower standard would be impermissible. 2. The maximum level for 1998 was lower than the previous years. 3. if the analysis indicated that the maximum level was lower prior to last years standards prescribing that lower standard would not necessarily be impermissible.

Ex Output:
1

Ex Input:
Statement: (Adapted from OMB Circular A-11) Loan guarantee subsidy cost is the estimated long-term cost to the government of loan guarantees calculated on a present value basis, excluding administrative costs. Choices: 1. The loan guarantee subsidy cost is the long-term cost to the government of loan guarantees. 2. The loan guarantee subsidy cost is the short-term cost to the government of loan guarantees. 3. The loan guarantee subsidy cost is the long-term cost to the government of mortgage guarantees.

Ex Output:
2