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: Consider Input: Edward Snowden:  So , this is data collection for the month of March worldwide , emails and Skype calls . So France , 70 million . Germany , 500 million . Brazil , two billion . Inside the U.S. , 3.1 billion emails and calls . That 's not including any of the telecom company data .
NSA Dep. Director Lowell: Okay , so what 's the collection in Russia ?
Edward Snowden: Russia is _ 1.5 _ billion .
NSA Dep. Director Lowell: Wait , so we 're collecting twice as much in the U.S. as we are in Russia ?

Output: REFERENCE calls


Input: Consider Input: Nick Beam:  Have you ever had a really bad day ?
Gas Station Cashier: Having _ one _ right now .

Output: REFERENCE day


Input: Consider Input: Penelope Garcia:  So , local PD have IDed your victims . I 'm putting this all on your tablets if you 'd like to follow along . First up is Jason Meredith , sixteen year old runaway from Garden City , Kansas . Mom said he took off over a year ago . Next up is Eric Janelle . Fifteen year old foster kid from Wichita . He 's been gone three weeks . Oh , both of these kids have records , for possession and prostitution .
Emily Prentiss: They were street hustlers .
Aaron Hotchner: High - risk kids . This could be a sexual predator .
Derek Morgan: An extremely violent _ one _ , if the unsub is responsible for the damage done to the bodies , especially those missing limbs .
Emily Prentiss: Well , now , he could be keeping the body parts for some sort of fetish .
Penelope Garcia: Ugh ! Okay , eww . That is my cue . I 'm here if you need me , with my binary machines that do n't say gross things .


Output: REFERENCE predator