Given the task definition and input, reply with output. 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.

Statement: Indian Airlines' Discover India plan offers 21 days of unlimited travel and is less economic than single tickets, but buy them en bloc with confirmed reservations that you should reconfirm at each new airport. Choices: 1. Buying single tickets is cheaper, but ends up being a bigger hassle. 2. The Discover India plan from Indian Airlines is less economic than single tickets. 3. The Discover India plan offers lifetime unlimited travel worldwide.
3