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: If the prices of all basic mail were increased, say, 20%, the 33. Choices:  1. A 20 percent increase in prices would reduce the volume of mail posted. 2. It would be impossible to increase the prices of basic mail. 3. All basic mail prices might be increased by 20 percent.

3