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.

Example Input: Category: WORLD HISTORY 
Clue: He completed vols. 2 & 3 of Karl Marx's "Das Kapital"
Example Output: friedrich engels

Example Input: Category: HISTORY 
Clue: In June 1987 she became the first British prime minister in the 20th c. elected to 3 straight terms
Example Output: margaret thatcher

Example Input: Category: CONGRESS IS ALL A-TWITTER 
Clue: He tweets under his own name & @GOPLeader
Example Output:
john boehner