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: THE 20th CENTURY 
Clue: In the 1940s Franklin Roosevelt coined this term in reference to all the countries allied against the Axis powers

Ex Output:
united nations


Ex Input:
Category: AFRICA 
Clue: Its Declaration of Independence was signed in 1847 by 11 men in that nation's Providence Baptist Church

Ex Output:
liberia


Ex Input:
Category: BRITAIN'S NATIONAL PORTRAIT GALLERY 
Clue: In April 2000 the portrait of this living woman was moved from the Contemporary section to History

Ex Output:

margaret thatcher