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.

Javier Esposito:  Beckett 's not here . She 's at the police academy working a high - profile murder . One of the recruit officers was killed .
Richard Castle: That 's a little close to home . These the suspects ?
Javier Esposito: Yeah , and three more recruits just alibied out .
Richard Castle: Your victim was killed by a fellow recruit ?
Javier Esposito: Appears so . And word is these _ four _ were watching the fights at a local boxing gym at the time of the murder , but that alibi 's soft .
Kevin Ryan: Hey . Just spoke with Liz from Vice . The boxing gym is a notorious hot spot for illegal steroids . Rumor has it is that one of the trainers was dealing to a cop at the academy .
Richard Castle: So the victim , Bardot , stumbled onto a dirty cop .
Kevin Ryan: Well , that would explain the threatening note . " Dead men tell no tales . "
Richard Castle: But Bardot would n't back down , so the cop kills him .
REFERENCE recruits