Definition: In this task, you're given a statement and three sentences as choices. Your job is to determine the neutral choice based on your inference from the statement and your commonsense knowledge. The neutral choice is a sentence that neither agrees nor disagrees with the statement. Indicate your answer as '1', '2', or '3', corresponding to the choice number of the selected sentence. If sentence X agrees with sentence Y, one's correctness follows from the other one. If sentence X disagrees with sentence Y, they can not be correct at the same time.
Input: Statement: The railway builders admitted it might have been safer to dig some tunnels, but they preferred to go round the mountain to allow for a better view of the terraced tea gardens and the valleys plunging down to the Bengal plains. Choices: 1. The railway builders went around mountains because it was cheaper. 2. The railway builders went around mountains to get better views. 3. The railway builders went through mountains to get a direct route.

1