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: ENDS IN "TH" 
Clue: This fish was thought to be extinct millions of years ago until one was found off South Africa in 1938
Example Output: coelacanth

Example Input: Category: THE BRITISH ISLES 
Clue: This island group that lies just north of the Scottish mainland was known to classical writers as the Orcades
Example Output: the orkney islands

Example Input: Category: A BUSINESS IS BORN 
Clue: The first drug-store in this chain began operating out of a Chicago hotel in 1901; in 2009 the 7,000th store opened
Example Output:
walgreens