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 _. 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.
Input: Sarah Hillridge:  How long have you been doing this , Dr. Reid ?
Dr. Spencer Reid: Five years , seven months , and nineteen days .
Sarah Hillridge: In your experience , what normally happens ?
Dr. Spencer Reid: Charlie was _ eight _ when he was taken , which means developmentally , he was in middle childhood . He had a stronger sense of right and wrong and a growing understanding of his place in the world . Mentally , he had the ability to talk about his thoughts and feelings , while having less focus on himself and more concern for others .
Sarah Hillridge: So you think he 's gon na be okay ?
Dr. Spencer Reid: A mother like you who- who did all this , I - I do . I 'm a doctor . I put my faith in facts and statistical probabilities . But today , eight parents are gon na have closure . Three children are going home with their families because you believed your son was alive . It 's as close to a miracle as I 've ever seen .

AGE