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.

Example Input: Category: ANIMALS 
Clue: Types of this aquatic creature include chimney, sheep's wool, and common bath
Example Output: the sponge

Example Input: Category: HMM... PRONOUN TROUBLE 
Clue: A sovereign may use the "royal" this pronoun in formal speech; are you not amused?
Example Output: we

Example Input: Category: THAT'S RARE 
Clue: This green gem is actually a rare variety of beryl
Example Output:
emerald