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: Consider Input: Morley Safer - Correspondent:  Not all the trolleys are in museums . A few cities like New Orleans and Philadelphia never gave theirs up . They 're feeling pretty smug about that now . More dramatically , some other cities have bitten the bullet and resumed service ... gone back to the future . Like San Diego , for instance . They 've been running trolleys since _ 1981 _ and adding new routes constantly . It seems to work unbelievably well . Listen to San Diego Mayor Maureen O'Connor .
Maureen O'Connor: Everyone in San Diego loves the trolley . The only problem now here is , we ca n't get them into the neighborhoods fast enough . They 're a clean , efficient system , and they 're very cost - effective .

Output: YEAR


Input: Consider Input: Celeste:  This tree is only yours now , Franco ... There is no mine forever ...
Franco: I love you with all my heart . Celeste approaches to Franco and gives him a slap ...
Celeste: It 's the end . Do n't touch me . Do n't look at all at me .
Franco: I ask , listen to me .
Celeste: That 's enough . At first , you love me , then my sister , then again me , but you sleep with Clara . Do you like the sisters , Franco ? You 're a debaucher . This game is n't for me and I leave it .
Franco: Have you finished ?
Celeste: No . Do you know , what is it ? ( She has got a ring ) .
Franco: Yes . This ring , which the _ one _ I presented you with big love .
Celeste: With big love ? We go with me and you 'll see I 'll do with yours big love ...

Output: REFERENCE ring


Input: Consider Input: Psycho Pink:  Certainly you do n't think I 'd double - cross you .
Psycho Yellow: You 'd double - cross your own mother ... that is , if you had _ one _ .
Psycho Pink: Hey , no need to get personal just 'cause I had the brains to pull this off .


Output: REFERENCE mother