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.
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Question: Category: ENVIRONMENTALISM 
Clue: The world's first national park was Yellowstone, opened in 1872; this country opened its first park at Banff in 1887

Answer: canada


Question: Category: MOVIE REVIEWS 
Clue: (Hi, I'm Garry Marshall.) I directed this 1990 movie that the New York Times said "Borrows a thing or two from Pygmalion....but has its own....wit"

Answer: pretty woman


Question: Category: RUBBISH! 
Clue: This kitchen device compresses garbage into easily disposed of units

Answer:
trash compactor