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.

Input: Consider Input: Category: PLAGUES & PESTILENCE 
Clue: Having first escaped from a South American research lab in 1957, they became a threat to the U.S. in 1990

Output: killer bees


Input: Consider Input: Category: LANDMARKS 
Clue: Some of its pieces, which weighed up to 50 tons, were quarried at Marlborough Downs, about 20 miles away

Output: stonehenge


Input: Consider Input: Category: MILITARY AVIATION 
Clue: In 1911 this nation was the 1st to use powered aircraft for military purposes when it spied on Turkish activities in Libya


Output: italy


