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: IN THE PAST MILLENNIUM 
Clue: In 1066 this group conquered England
Example Output: normans

Example Input: Category: UNITS OF MEASURE 
Clue: The scale on the bottom of a sextant is in these units
Example Output: degrees

Example Input: Category: MORTAL MATTERS 
Clue: When Dallas sent out this annual tax form to 13,000 city employees, it marked them dead
Example Output:
w-2