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: Fenner signaled once more and the train began the slower trip southward. Choices:  1. The train began its trip loaded with supplies for the people. 2. Fenner gave a signal, but the train did not start. 3. The train began its trip after Fenner gave a signal again.

3