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.

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

A: the bloody tower
****
Q: Category: U.S. RIVERS 
Clue: The Falls of Saint Anthony stop this mighty river from being navigable north of St. Paul, Minnesota

A: the mississippi
****
Q: Category: DOUBLE LETTER PERFECT 
Clue: For the ivory tickler it means "very softly"

A:
pp
****