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: um which is always kind of funny um and i remember my older sister i have a sister who's sixteen years older and at the time that i was Choices: 1. I have an older sister and a younger brother.  2. My elder sister is sixteen years my senior.  3. My sister is 20 years younger than me. 

1