instruction:
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.
question:
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 ?
answer:
REFERENCE calls


question:
Duncan MacLeod:  I 'll take _ two _ .
Belson: What ?
Duncan MacLeod: Are n't you selling something in the case ?
Belson: No .
Duncan MacLeod: Oh , funny . I could have sworn that you were . My loss , huh ?
Belson: Yeah , no problem .
Duncan MacLeod: No , but you see , there is . See , I promised the little lady some laser surveillance gear - you know , so that she could keep an eye on the kids .
answer:
OTHER


question:
Robert Barone:  All right . Uh , excuse me , officer .
Officer: Yes ?
Robert Barone: Sergeant Robert Barone , NYPD , 2 - 4 precinct .
Officer: Oh , you 're NYPD ?
Robert Barone: Yeah . This here 's my kid brother , Raymond . I was dozing off , so I did n't notice he had such a lead foot . But I 'm gon na keep a closer eye on him from here on out , okay ?
Officer: Look , with all due respect , we 're pretty strict here with our laws , so I got to write the ticket .
Robert Barone: But - but I carry a shield .
Officer: Then you should know better , officer .
Robert Barone: Hey , listen , I do n't know how you do things out here in the sticks , okay ? But in the city , cops look out for _ one _ another .
Officer: I 'm glad we had this conversation . It gave me a chance to notice your brother 's inspection sticker . Now , I might just be a country bumpkin , do n't know much about all that book learning and fancy numbers , but near as I can figure , this looks like it 's expired . I 'll be right back with another little present for y' all ,
answer:
REFERENCE cops