Definition: In this task, you're given a statement and three sentences as choices. Your job is to determine which sentence can be inferred from the statement. Incorrect choices change the meaning in important ways or have details that are not mentioned in the statement. Indicate your answer as 1,2, or 3 corresponding to the choice number of the selected sentence.
Input: Statement: Constantine added new city walls, following a plan he claimed to have been given by Christ in a vision, and commissioned a grand central forum decorated with a triumphal column as well as several other monuments. Choices:  1. Constantine's plan to add new walls to the city was inspired by a religious vision. 2. Constantine did not build anything in the city. 3. The new city walls made it safe from invasion.

1