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: Two examples are The first involves drop-ship discounts and the second involves the letter/flat differential. Choices: 1. Letter differential is becoming major and consistent problem. 2. Drop ship discounts and the letter differential are two examples. 3. Drop ship discounts is the only thing that does not serve as an example.
Output:
1