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: of uh of casual speech uh in an attempt to get some kin d of a model of what speech is like Choices: 1. We only look at formal speech because a casual speech model would be useless. 2. Casual speech can help in obtaining a model of what speech is like. 3. Creating a model based on casual speech would involve thousands of voice recordings.

3