Riddle

I clean the old and bad; my juice is golden. If I die, you need a machine.

Choose an answer

A.Silver
B.Diamonds
C.True love
D.A kidney
Hint: It's a 2-word phrase with 7 letters, starting with "A".

Answer

A kidney

Why this is the answer

Think about the literal properties of a 'a kidney.'. The riddle uses metaphors to describe its physical form or function.

This riddle is filed under Expert Riddles for Adults and rated Hard.