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.

[EX Q]: 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 ?
[EX A]: REFERENCE calls

[EX Q]: Benny:  I heard on the radio that the earthquake was a _ 6.2 _ , it was centered in Northridge .
George Lopez: Northridge again ? What the hell are those people doing over there ? They need to knock down their false idols and recognize .
Benny: I also heard there 's a city wide curfew and people have already started looting . What has happened to L.A. ? It used to be you could fix your place up , get a bite to eat , and then go out and loot at your own pace . I might not even go out this year .
[EX A]: OTHER

[EX Q]: Sam Malone:  Guys , does anybody remember anything that Diane has ever said about impressionism ?
Carla Tortelli: No , but I know she makes a bad first _ one _ . After that , it gets worse .
[EX A]:
REFERENCE impressionism