Given the task definition and input, reply with output. 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.

Statement: I learnt afterwards that they nearly did away with me then and there there was never much chance of their 'letting me go' but the first man, who was the boss, preferred to keep me alive on the chance of my having hidden them, and being able to tell where if I recovered my memory. Choices: 1. The boss thought that I might be useful if my memory came back. 2. I was released when I regained my memory. 3. The boss wanted to kill me because he thought I was of no use.
1