Definition: In this task, you're given a statement and three sentences as choices. Your job is to determine which sentence can be inferred from the statement. Incorrect choices change the meaning in important ways or have details that are not mentioned in the statement. Indicate your answer as 1,2, or 3 corresponding to the choice number of the selected sentence.
Input: Statement: studies in American emergency settings have provided inconclusive evidence that brief intervention works. Choices:  1. Brief intervention works quite effectively according to studies. 2. There are hundreds of studies backing this fact. 3. It has been proved through studies that brief intervention does not work.

3