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: Technical Change in the Aggregate Production Function, Review of Economics and Statistics    Choices:  1. Technical change in the aggregate production function. 2. No change in aggregate production function. 3. Reviewing statistic and economics does not cause any change in aggregate production function. 

1