Definition: 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.
Input: Statement: Web advertising is smart, in the sense that it can be far more detailed and specific and because it can reach a target with surgical precision. Choices:  1. Web advertising is the most cost effective way to reach an audience. 2. Web advertising is a bad idea. 3. Web advertising is a good idea because it can pinpoint a target with immense precision.

2