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: CLASSICAL MUSIC 
Clue: Mendelssohn's "Songs without Words" were once the most popular pieces for this instrument
answer:
piano


question:
Category: SICKNESS & HEALTH 
Clue: The initials HMO, which have stood for heart minute output, now also stand for this
answer:
health maintenance organization


question:
Category: GETTING POSSESSIVE 
Clue: In baseball, when a batter reaches base but another runner is forced out, it's scored as this
answer:

fielder\'s choice