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.

Ex Input:
Category: ACTORS 
Clue: In 1970 he became the first professional actor to be named a lord

Ex Output:
laurence olivier


Ex Input:
Category: FAMOUS TEENAGERS 
Clue: This young man who turned 18 on June 21, 2000 has a dog named Widgeon & a younger brother named Harry

Ex Output:
prince william


Ex Input:
Category: RIVERS 
Clue: It was once believed that this river "originated in the Mountains of the Moon"

Ex Output:

the nile