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.

[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 ?
[A]: REFERENCE calls


[Q]: Angel:  I knew this was gon na happen .
Buffy: What ? What do you think is happening ?
Angel: You 're 16 years old , I 'm _ 241 _ .
Buffy: I 've done the math .
Angel: You do n't know what you 're doing . You do n't know what you want .
Buffy: Oh , no , I - I think I do . I want out of this conversation .
Angel: Listen , if we date , you and I both know one thing 's gon na lead to another .
Buffy: One thing already has led to another . You think it 's a little late to be reading me a warning label ?
Angel: I 'm just trying to protect you . This could get out of control .
Buffy: Is n't that the way it 's supposed to be ?
Angel: This
Angel: is n't some fairy tale . When I kiss you ... you do n't wake up from a deep sleep and live happily ever after .
Buffy: No ... when you kiss me , I wanna die .
[A]: AGE


[Q]: Robin:  Holy knit _ one _ , purl two !
Nora Clavicle: Exactly , Boy Wonder . This needle is razor sharp , and can puncture her jugular vein in an instant .
[A]:
OTHER