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: How can you be sure your programs are safe? Choices:  1. Are you sure of the safety of your programs? 2. Show me the proof that you have that your programs are safe. 3. I understand that you are uncertain of the safety of your programs.

1