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 consistency, answers should be in all lower cased letters.

Input: Consider Input: Category: DECEMBER 1st 
Clue: 1959: 12 countries including the U.S. & the U.S.S.R. sign a treaty to keep this continent a scientific preserve

Output: antarctica


Input: Consider Input: Category: THE 19th CENTURY 
Clue: In August 1807 this steamboat made the NYC to Albany round trip on the Hudson in 62 hours

Output: clermont


Input: Consider Input: Category: LET'S GET DOWN TO BUSINESS 
Clue: This company first introduced its MSN Network as part of Windows 95


Output: microsoft