Definition: 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: Mr. Rogers:  It 's a very fancy machine .
Jeff Erlanger: Thanks .
Mr. Rogers: But you 're the one that makes it go .
Jeff Erlanger: Right .
Mr. Rogers: Did it take a long time to learn how ?
Jeff Erlanger: No , not really . I had the wheelchair , and that only took ... My first electric wheelchair only took me about a day to learn how to use it .
Mr. Rogers: Gee , that 's wonderful . Jeff , your mom and dad must be really proud of you .
Jeff Erlanger: I 'm sure they are .
Mr. Rogers: Yeah . Well , I know I am . Now , uh ... can you tell my friends what it is that made you need this wheelchair ?
Jeff Erlanger: Sure . Well , when I was about seven months old , I had , um ... I had a ... tumor . And it broke the nerves to tell my hands and legs what to do .
Mr. Rogers: I see .
Jeff Erlanger: And ... they ... tried to ... cut the tumor , but they ... did n't ... could n't get it , and ... I ... became handicapped . And ... I got a wheelchair when I was four years old .
Mr. Rogers: That was your first one .
Jeff Erlanger: Mm - hmm .
Mr. Rogers: When you were _ four _ .
Jeff Erlanger: Uh - huh .
Mr. Rogers: Do you remember that ?
Jeff Erlanger: Yeah , sort of .

AGE