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.

[EX Q]: Category: ENGLISH USAGE 
Clue: Latin for "thus", this 3-letter word is put in brackets to indicate an error in a quote
[EX A]: sic

[EX Q]: Category: CANADA 
Clue: The provincial government is officially known as the government of Newfoundland & this region
[EX A]: labrador

[EX Q]: Category: REALLY LONG RIVERS 
Clue: While cruising down this river in 1542, Francisco de Orellana was attacked by female warriors; thus, its name
[EX A]:
amazon