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: should we have fought them harder used more weapons equal to their chemical weapons that weren't used Choices:  1. I am completely certain that we should not fight our enemies fiercely with an equal amount of weapons in proportion to the number of unused chemical weapons. 2. I am fairly uncertain that we should fight our enemies fiercely with more weapons that are in equal proportion to the amount of unused chemical weapons. 3. I am not sure if we should fight our enemies harder with more weapons equal to the unused chemical weapons.

3