TASK DEFINITION: You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
PROBLEM: Category: CLASSIC ALBUM ART 
Clue: She painted her own portrait for her "Clouds", "Ladies of the Canyon" & "Turbulent Indigo" albums

SOLUTION: joni mitchell

PROBLEM: Category: THE WINTER PALACE 
Clue: In 1881 the "Czar Liberator", the II czar of this name, asked to be taken to the palace to die after being fatally wounded

SOLUTION: alexander ii

PROBLEM: Category: FLAGS 
Clue: Flag of this Asian nation, with symbol resembling the yin-yang, will fly at '88 Olympics there

SOLUTION:
south korea