Definition: In this task, you're given a statement and three sentences as choices. Your job is to determine which sentence can be inferred from the statement. Incorrect choices change the meaning in important ways or have details that are not mentioned in the statement. Indicate your answer as 1,2, or 3 corresponding to the choice number of the selected sentence.
Input: Statement: This analysis was revised when it was determined that the interim program, which began on January 1, 1995, would last 30 months rather than 18 months and there were changes in the estimated cost of deposit control testing and the addition, in the final rule, of a required deposit demonstration test to qualify test fuels for certification testing purposes. Choices:  1. When it was determined that the interim program, which began on January 1, 1995, would last 30 months rather than 18 months, this analysis was revised. 2. The interim program's length changed due to unpredictable factors out of their control. 3. This anaylsis was never revised, after confirming that the predictions were correct.

1