Text: 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.
Entailment: The boss thought that I might be useful if my memory came back.
Contradiction: The boss wanted to kill me because he thought I was of no use.