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.

Input: Consider Input: Category: SCIENCE & NATURE 
Clue: Developed by astronomer A.E. Douglass, dendrochronology determines age in this way

Output: counting tree rings


Input: Consider Input: Category: PLAYWRIGHTS 
Clue: In 1979 this author of "Streamers" married Jill Clayburgh

Output: david rabe


Input: Consider Input: Category: FANTASTIC MR. FOX 
Clue: The fantastic Arctic fox changes color with the seasons, from gray or brown in summer to this color in winter


Output: white