instruction:
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.
question:
Category: NORSE 
Clue: Skoll & Fenrir, both this type of fierce canine, will cause mayhem at Ragnarok, the end of the cosmos
answer:
wolves


question:
Category: CHARACTER ASSASSINATION 
Clue: Air Force gunner Snowden catches some flak & dies in Yossarian's arms, courtesy of this author
answer:
heller


question:
Category: LIBRARIES 
Clue: In 1889 this philanthropist funded his first U.S. library in Braddock, Penn., home to one of his steel mills
answer:

carnegie