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.

Example Input: Category: OPTICS 
Clue: On New Year's or any other day, it's the fineness of detail that can be distinguished in a photographic image
Example Output: resolution

Example Input: Category: SCIENCE & NATURE 
Clue: Developed by astronomer A.E. Douglass, dendrochronology determines age in this way
Example Output: counting tree rings

Example Input: Category: THE OLD TESTAMENT 
Clue: In 1 Samuel 31 this king falls upon his own sword, opening the way for David to become king
Example Output:
saul