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: __E__E__E 
Clue: A form of address for some royalty, it means calm & unruffled
Example Output: serene

Example Input: Category: PICTURE BOOK TITLE ANIMALS 
Clue: "If You Give a ____ a Cookie"
Example Output: mouse

Example Input: Category: HELLO, ALEX 
Clue: His "Gulag Archipelago" led to his arrest & forced deportation
Example Output:
aleksandr solzhenitsyn