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: Rose Tyler:  So , who are you supposed to be then ?
Captain Jack Harkness: Captain Jack Harkness , 133 Squadron , Royal Air Force . American volunteer .
Rose Tyler: Liar . This is psychic paper . It tells me whatever you want it to tell me .
Captain Jack Harkness: How do you know ?
Rose Tyler: Two things . One , I have a friend that uses this all the time , and _ two _ , you just handed me a piece of paper telling me you 're single and you work out .
Captain Jack Harkness: Tricky thing , psychic paper .
Rose Tyler: Yeah . Ca n't let your mind wander when you 're handing it over .
Captain Jack Harkness: Oh , you sort of have a boyfriend called Mickey Smith , but you consider yourself to be footloose and fancy - free .
Rose Tyler: What ?
Captain Jack Harkness: Actually the word you use is " available " .
Rose Tyler: No way .
Captain Jack Harkness: And another one , " very " .

REFERENCE things