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: PEOPLE IN HISTORY 
Clue: Executed in 1587, she was the last reigning queen of Scotland

SOLUTION: mary, queen of scots

PROBLEM: Category: THE KOREAN WAR 
Clue: In bitter battles of 1951, Pork Chop was a hill & Heartbreak was one of these

SOLUTION: ridge

PROBLEM: Category: BRIDE'S HEAD REVISITED 
Clue: Brides often adorn their heads with this delicate fabric; the Alencon type would look lovely on you

SOLUTION:
lace