You will be given a definition of a task first, then some input of the task.
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.

Kate Beckett:  This was supposed to be over . I ca n't go back again . Not now .
Richard Castle: Well , now we do n't have a choice . If Maddox gets to him before we do ...
Kate Beckett: But I do n't know how to do this . I 'm not even a cop anymore .
Richard Castle: I 'll tell you exactly what we do .
Richard Castle: We
Richard Castle: figure out who this is . We 've done it before , and with less to go on . And when we do , we lay all of this to rest and we go back to where we were . This is what you 're great at . And I 'm not so bad myself . So , what do we know ? We know this guy is about 60 . He 's a longtime New Yorker , uh ... friends with Montgomery , so he may have connections to law enforcement .
Kate Beckett: He , um ... he seems prominent . Wealthy .
Richard Castle: That 's right . And he has been that way ever since this photo was taken .
Kate Beckett: How do you know that ?
Richard Castle: Look at his wrist . That 's a Nautilus 3800 . It was $ 10000 when it came out in _ 1981 _ .
Richard Castle: That
Richard Castle: 's the year Montgomery was married . May of 1981 . How many of these watches could possibly have been sold in five months ?
Output:
YEAR