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: Hiro Nakamura:  You are not God .
Adam Monroe: Really ? I 've lived for over 400 years ; who is to say I 'm not going to live _ 400 _ more ?

years