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: WHAT THE "MEL" 
Clue: He penned the immortal introduction "Call me Ishmael"
Example Output: herman melville

Example Input: Category: SEX CHANGES 
Clue: Don't let the pearls fool you, these lady bivalves can change into males when it suits them
Example Output: oysters

Example Input: Category: ON A SWISS ARMY KNIFE 
Clue: There are 2 of these, one for wood & one for metal
Example Output:
a saw