Definition: In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Input: Oliver de Bretagne:  I think I have the better of you , brother .
Brother Cadfael: And I think we should both have died .
Oliver de Bretagne: You 're quick ... for an old man .
Brother Cadfael: And you 're over - careless for a young _ one _ . You must always beware of the unexpected stroke ... Olivier .

man