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.

Category: BRAIN STRAIN 
Clue: Appropriately, this stadium has hosted the NFL Super Bowl more than any other
louisiana superdome

Category: SOUNDS THE SAME 
Clue: Your lips say "No, no, no," but these say "Yes, yes, yes"
eyes/ayes

Category: "N" JOY 
Clue: A songbird, or the last name of nursing pioneer Florence

nightingale