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: Note that some attractions can be seen only by guided tour, and the last admission to these may be 30 to 45 minutes earlier the official closing time. Choices:  1. The official closing time isn't the same as the last time available for a guided tour. 2. Some of the attractions can in fact begin at the official closing time. 3. It's impossible to start a guided tour before the official closing time.

3