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.

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

Output: peristalsis

Input: Consider Input: Category: "FALL"
Clue: This Poe tale appropriately begins in the fall, on a "dull, dark and soundless day"

Output: "the fall of the house of usher"

Input: Consider Input: Category: THE CIVIL WAR
Clue: This explorer served on both sides in the war before he went looking for Dr. Livingstone
Output: henry stanley