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.

Statement: I knew I should say nothing; the back part of my brain told me this, again and again. Choices: 1. They kept telling themselves not to say anything. 2. They did not want to cause any grief. 3. They knew they should not hold back.
2

Statement: The trotting race is a particularly exciting event to watch. Choices: 1. The trotting race involves 15 horses and lasts 3 hours. 2. One can watch a trotting race and it's exciting. 3. Nobody likes to watch the trotting race due to lack of entertainment.
1

Statement: Civilization really depends on human beings caring about other human beings. Choices: 1. Without human beings caring about one another, civilization might not continue. 2. Civilization depends, at minimum, on humans agreeing that its not appropriate to hurt one another. 3. Civilization depends on humans killing other humans.

2