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.

Example Input: Category: THE DIGESTIVE SYSTEM 
Clue: Gravity isn't required to move food down to your stomach; this process moves it down the esophagus
Example Output: peristalsis

Example Input: Category: SABRINA'S WITCH HANDBOOK 
Clue: (Hi, I'm Melissa Joan Hart)  The traditional number of witches in this group is 13; a leader & 12 followers
Example Output: coven

Example Input: Category: THE NEW YORK TIMES ENTERTAINMENT 
Clue: "Oil!", a 1927 novel by this muckraker, was on the New York Times Best Seller List in 2008
Example Output:
upton sinclair