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: WATCH "ING" THE MOVIES 
Clue: In this 1983 film Eddie Murphy & Dan Aykroyd switch lives
[EX A]: trading places

[EX Q]: Category: STUPID ANSWERS: THE BRITISH EDITION 
Clue: The Garden Tower at the Tower of London was the scene of some bloody goings-on, so now it's known as this
[EX A]: the bloody tower

[EX Q]: Category: MOVIE TITLE CHARACTERS 
Clue: This silent comic played the title role in "The Saphead" & "Sherlock Jr.", but not in "The General"
[EX A]:
buster keaton