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: WORLD LEADERS
Clue: At his 1994 inaugural, he called for "a rainbow nation at peace with itself and the world"

Ex Output:
nelson mandela

Ex Input:
Category: HISTORIC HEROES
Clue: This man born in 1783 is considered the national hero of 5 different countries

Ex Output:
simon bolivar

Ex Input:
Category: MUSICAL HISTORY
Clue: It's the nursery rhyme that inspired the title of a famous musical based on a 1913 G.B. Shaw work

Ex Output:
london bridge