TASK 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.
PROBLEM: Wayne Rigsby:  All I 'm saying , you ca n't say there 's no such thing as a psychic just because you 've never met _ one _ .
Kendall Cho: You 're right . I 've never seen a zebra , does n't mean they do n't exist .
Wayne Rigsby: Never seen a zebra ?
Kendall Cho: Nah .
Wayne Rigsby: Never been to a zoo ?
Kendall Cho: Yeah I do n't get zoos . You pay money to look at animals , why ?

SOLUTION: REFERENCE psychic

PROBLEM: Oliver Queen:  Your mother 's in town , spend some time with her . We could do dinner . I 'll cook .
Felicity Smoak: You already made dinner plans with my mother , did n't you ?
Oliver Queen: What ? No . ... Yes .
Felicity Smoak: Oh ! Oh , my God ! It is like a sickness with you !
Oliver Queen: It was n't intentional . We were having a nice conversation ; the subject turned to cooking , I mentioned that I make a spectacular Chicken Cordon Bleu . She said she 'd never had _ one _ . It 's just dinner .
John Diggle: He 's right , Felicity . Besides , you look like you haven't ... eaten or slept .
Felicity Smoak: A man 's life , a friend 's life is in danger . Does n't seem like the right time for Cordon Bleu .

SOLUTION: REFERENCE Bleu

PROBLEM: Whis:  The surviving Saiyans currently reside on planet 877 of world 4032 , a vibrant world called Earth .
Birusu: Earth ? I think I was there once . That 's the world with the boorish dinosaurs that I wiped out right ?
Whis: It appears one of the Saiyans , Son Goku , was the _ one _ who defeated Frieza .
Birusu: DEFEATED FRIEZA ?
Whis: Oh , my , Lord Bills !

SOLUTION:
REFERENCE Saiyans