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: NATURE 
Clue: Like a tree, you can tell the age of a fish by counting these on its scales
answer:
rings


question:
Category: MATH TERMS 
Clue: The term surd refers to irrational numbers like this number's square root, 1.7320508...
answer:
3


question:
Category: WEDDINGS 
Clue: It's the festive-sounding name for one who officiates at a wedding
answer:

the celebrant