Detailed Instructions: 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.
Q: Statement: One of the factors cited for the decline in personal mail volume is falling long distance telephone rates which have made telephone communication more affordable and fostered substitution of telephone calls for personal mail. Choices: 1. One reason mail volume has declined is terrorist attacks. 2. One reason mail volume has declined is cheaper long distance calls. 3. One reason mail volume has declined is that people have cell phones.
A:
2