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: weapon systems over the next 5 years requires an approach that keeps cost, schedule, and performance risks to a minimum. Choices:  1. Personnel and staffing issues are also important to weapons systems management. 2. Cost is an irrelevant factor in weapons systems in the next five years. 3. Schedule, cost and performance risks are important factors to consider in the approach taken to weapons systems in the next half-decade.

3