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: Built on Roman foundations, the castle was erected in the late 13th century to keep the Scots at bay its strategic position affords good views of the surrounding lowland. Choices:  1. In the late 13th century the castle was built to defend against the Scots. 2. The castle's strategic position was decided upon by the king and his advisors. 3. The castle built in the 13th century was in a terrible strategic position.

3