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 _. There are several possible answers, you'll need to choose the proper one. Carefully read the given text, pay special attention to the marked number, think about what (unwritten) information the marked number holds inside, choose the most adequate word(s) from the optional answers. If none of them seems right to you, there's also an option for other. If your answer is "REFERENCE", also write the reference entity, otherwise write the implicit option name. Options to choose from are:
REFERENCE: Some object which is being mentioned in the text before or after the target number. The reference answer has a higher priority than any other. If both Reference and another answer are possible, prioritize the Reference.
YEAR: Describing a calendric year
AGE: Describing someone's age
CURRENCY: Reference to some monetary value e.g dollar, euro etc.
PEOPLE: Describing a single/plural persons
TIME: Describing a time of the day. Usually you can add the word o'clock after those numbers.
OTHER: Some other option, which isn't listed here.

Q: Ken Nakamura:  She felt like a woman . Wanted to be rid of big brother watching her all the time .
Dr. Temperance 'Bones' Brennan: My parents left me and my brother when I was _ 15 _ . My brother was the only family I had . But he left me too .
Ken Nakamura: I 'm sorry .
Dr. Temperance 'Bones' Brennan: I turned out quite well actually . But it would have been nice to have a brother like you .

A: AGE
****
Q: Special Agent Seeley Booth:  You know , Wendell . You know , back in ' 2 , we had to secure this ridge in Gozni before our major forces came in . Little did we know , the Taliban had already been there and they pinned us down for about six days , and they kept picking us off ... one by one . Fifteen guys went up that ridge and only _ three _ came home .
Wendell Bray: I know what you 're tryin ' to do , Booth . I appreciate it . The doctors tried to do the same thing ...
Special Agent Seeley Booth: No , you do n't . I do n't think you know what I 'm talking about . And I do n't think you appreciate what I 'm telling you right now . What I 'm telling you is that I saw twelve of my brothers killed in front of me . Twelve . You got dealt a bad hand . Deal with it .
Wendell Bray: Sorry ...
Special Agent Seeley Booth: Enough with the apologies . Okay , Wendell ? Stop feeling sorry for yourself and keep fighting . I do n't need to see another brother die .

A: REFERENCE guys
****
Q: D:  Stop right there , Meier . I 'm taking her back , back to her family who loved her .
Meier Link: She knew I loved her best of all . You ca n't understand it . You 've never loved a human .
D: I 've never killed _ one _ , either .

A:
REFERENCE human
****