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 consistency, answers should be in all lower cased letters.
question:
Category: THE ENVIRONMENT 
Clue: According to Guinness, this NW state has the largest living organism, a fungus covering 1,500 acres
answer:
washington


question:
Category: THE 16th CENTURY 
Clue: In the 1569 Union of Lublin, Zygmunt II united Lithuania & this country
answer:
poland


question:
Category: MYTHOLOGY 
Clue: In Roman mythology Luna was a goddess of this heavenly body
answer:

moon