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: Compatibility to perform their required functions while sharing the same hardware or software environment. Choices:  1. Compatibility is not required from hardware or software. 2. Compatibility is required from hardware or software. 3. Compatibility is required from hardware or software in personal computers used in a work seting.

1