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: At the top of a 272-step staircase is the Cathedral Cave, the most breathtaking of the three, with its architectural columns of lofty stalactites and stalagmites. Choices: 1. At the top of the staircase is only the Lucky Mountain. 2. The 272-step staircase is hard on the knees, so many people prefer to take the elevator or a ladder. 3. Cathedral Cave is at the top of a 272-step staircase, and it is the most breathtaking of the three, with its architectural columns of lofty stalactites and stalagmites.

2