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: These would be large planets rich in hydrogen, ammonia and methane. Choices: 1. These cows are rich in methane. 2. These are planets abundant in hydrogen, ammonia, and methane. 3. These planets a rich in certain elements, it would seem.

3