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: FAMOUS AMERICANS 
Clue: He once promised, "As long as there is imagination left in the world" his theme park would never be completed
answer:
walt disney


question:
Category: "E" BAY 
Clue: Thinking green, biologist Ernst Haeckel coined this term for the way animals interact with the environment
answer:
ecology


question:
Category: ALL EARS 
Clue: Injury, infection & loud noises can cause this membrane between the external ear canal & middle ear to rupture
answer:

the eardrum