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: Behavioral risk factors in emergency department  a multisite survey. Choices: 1. The multisite survey is going to be the first of many attempts to research the matter more thoroughly. 2. Substance abuse in Firefighting Departments, a single site survey. 3. A multisite survey that examines behavior risk factors within the context of emergency departments.

1