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.

Ex Input:
Statement: Four are essential to case study  iteration, OTTR, triangulation, and ruling out rival explanations. Choices: 1. Four are needed for making sure the rival explanations are in fact correct. 2. Four are needed for making sure the rival explanations are ruled out. 3. Four are needed to prove that the rival explanations can't happen because of gravity.

Ex Output:
3


Ex Input:
Statement: We have joined in this fight to protect the town. Choices: 1. We do not want any part in protecting the town. 2. We will help protect the town against the warfare.  3. We are going to help protect the town. 

Ex Output:
2


Ex Input:
Statement: According to the graph, the postal service's profit level declines until it is back at breakeven at discount of about 4.5a. Choices: 1. The graph shows the postal service's profit level declining. 2. The graph knows all and sees all. 3. The graph shows the evolution of man into toaster ovens.

Ex Output:

2