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.

[EX Q]: Category: CURRENT EXPRESSIONS 
Clue: If you're engaging in wishful thinking, you may want to perform this type of "check"
[EX A]: a reality check

[EX Q]: Category: THE HISTORY OF APRIL 9th 
Clue: 1959: NASA publicly introduces Messrs. Glenn, Shepard & the rest of this program's 7 astronauts
[EX A]: mercury

[EX Q]: Category: SOUTH AMERICAN GEOGRAPHY 
Clue: Parinas Point on Peru's Pacific coast is this geographic extreme of South America
[EX A]:
westernmost point