In this task, you're given a statement, and three sentences as choices. Your job is to determine which sentence clearly disagrees with the statement. Indicate your answer as '1', '2', or '3' corresponding to the choice number of the selected sentence.
Q: Statement: I don't mean what you mean. Choices: 1. We certainly both mean exactly the same thing when we say that. 2. We both mean different things when we say that. 3. I mean that you should pay me a dollar and you mean someone else you pay you a dollar.
A:
1