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: ONTARIO 
Clue: The Ambassador Bridge, world's largest int'l suspension bridge, links Windsor, Ontario & this city
answer:
detroit, michigan


question:
Category: SIGNS & SIGNALS 
Clue: The ringing of the church bells on this holiday in 1572 was the signal to massacre Huguenots
answer:
st. bartholomew\'s day


question:
Category: ETIQUETTE 
Clue: If a prom date gives you one of these floral accessories, you must wear it or at least pin it to your purse
answer:

corsage