TASK DEFINITION: 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 consistency, answers should be in all lower cased letters.
PROBLEM: Category: DR. SEUSS CHARACTERS 
Clue: This turtle was king of the pond at the island of Sala-ma-Sond

SOLUTION: yertle the turtle

PROBLEM: Category: BELGIUM, BELARUS OR BELIZE 
Clue: It's part of the British Commonwealth of Nations

SOLUTION: belize

PROBLEM: Category: WORD & PHRASE ORIGINS 
Clue: Santa Claus might know that this word comes from the Scandinavian for "creature" & the Old English for "beast"

SOLUTION:
reindeer