Definition: In this task, you're given a statement, and three sentences as choices. Your job is to determine which sentence clearly disagrees with the statement. Indicate your answer as '1', '2', or '3' corresponding to the choice number of the selected sentence.
Input: Statement: NET was developed to screen pregnant patients for at-risk drinking, alcohol abuse, and dependence. Choices:  1. NET encourages pregnant patients to partake in alcohol abuse. 2. NET is concerned only with pregnant patients and their use of alcohol. 3. NET's purpose is to monitor pregnant patients for alcohol abuse.

1