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 consistency, answers should be in all lower cased letters.
question:
Category: NONFICTION 
Clue: This 1988 bestseller was subtitled "From the Big Bang to Black Holes"
answer:
a brief history of time


question:
Category: WHO'S AFRAID OF 
Clue: Whether it passes too slowly or too quickly, chronophobia is a fear of this
answer:
time


question:
Category: BY THE BAY 
Clue: Nuuk, the capital of this vast, cold island, is on a bay whose name means "bay of good hope"
answer:

greenland