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.

Example Input: Category: LEGENDS 
Clue: The "Literature Lover's Book of Lists" says this engineer "blew his train whistle in a special way"
Example Output: casey jones

Example Input: Category: MUSICAL GROUPS 
Clue: This outspoken rap group led by Chuck D. took its name from a song title that ended "Number One"
Example Output: public enemy

Example Input: Category: MEDICINE 
Clue: A condition that features involuntary tics, it's part of Sydenham's & Huntington's diseases
Example Output:
chorea