instruction:
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.
question:
Category: OLD HISTORY 
Clue: In this work Virgil wrote that "a woman is always a fickle, unstable thing"
answer:
the aeneid


question:
Category: MAGAZINES 
Clue: Tho its London casinos earned 63% of this magazine co.'s profits in 1980, they were sold in 1981
answer:
playboy


question:
Category: LANDLOCKED COUNTRIES 
Clue: The capital of this grand duchy is the seat of the Court of Justice of the European Communities
answer:

luxembourg