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: Mitchell:  What 's more suspicious - three shadowy , secretive people who never come out , never talk to anyone . Or _ three _ friendly , welcoming guys . Always nice and chatty . Their door 's always open .
George: I do n't mean just risky for us .
Mitchell: We should hide in plain sight . Stop being ashamed . Invite the world in .

SOLUTION: REFERENCE guys

PROBLEM: Wizard:  Link is an excellent archer , and uses the Hero 's Bow in conjunction with several different arrow types . However , much of Link 's arsenal is more suited to exploration than combat .
Boomstick: Which is why he hides behind several layers of defense , like the Red Ring , which reduces injury by 75% .
Wizard: The Golden Gauntlets brace his arms against intense pressure , though do not increase striking power . He also carries three different pairs of boots .
Boomstick: _ Three _ , huh ? Told you he 's a fairy .
Wizard: The Iron Boots weigh 130 pounds , the Hover Boots float in midair , and the Pegasus Boots with attached Roc 's Feather increase Link 's speed and agility to superhuman levels .
Boomstick: But his best defense is the Hylian Shield .
Wizard: Originally crafted by the thunder dragon Lanayru , the Hylian Shield is completely indestructible .
Boomstick: Link also has a little help from the goddesses , via the Triforce of Courage . This tiny golden triangle embodies his ability to beat overwhelming odds .

SOLUTION: REFERENCE pairs

PROBLEM: Bookstore Owner:  So , you were , what , about my age when you were made ?
Angel: I do n't know . How old are you ?
Bookstore Owner: Just north of _ thirty _ .
Angel: No !

SOLUTION:
AGE