Definition: In this task, you're given a statement and three sentences as choices. Your job is to determine the neutral choice based on your inference from the statement and your commonsense knowledge. The neutral choice is a sentence that neither agrees nor disagrees with the statement. Indicate your answer as '1', '2', or '3', corresponding to the choice number of the selected sentence. If sentence X agrees with sentence Y, one's correctness follows from the other one. If sentence X disagrees with sentence Y, they can not be correct at the same time.
Input: Statement: This estimate of 10 GWe of scrubber retrofits by 2005 was determined from the difference between the boilermaker labor hours available from the boilermaker membership working in the electric utility industry and the labor hours needed to complete control technology retrofits and other electric utility projects. Choices: 1. This estimate of 300 F-16 fighter jets by 2005 was determined by the difference in effectiveness with countries who use these jets and ones that attack with Apaches. 2. The estimates were able to save the company three hundred thousand dollars. 3. The estimate for the scrubber retrofits was made with the difference in labor hours available and labor hours needed.

2