instruction:
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.
question:
Category: ALL ABOUT RIVERS 
Clue: You may be waiting for the Robert E. Lee on a natural one of these raised river banks created by flood waters
answer:
levee


question:
Category: THE QUOTABLE EINSTEIN 
Clue: This "is more important than knowledge"
answer:
imagination


question:
Category: WHEN AUSTRALIAN ANIMALS ATTACK 
Clue: In 2001 this large bird was seen running down Mississippi 51, then went after an animal control officer
answer:

an emu