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.
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Question: Category: PRESIDENTIAL NICKNAMES 
Clue: "Butcher from Galena"

Answer: grant


Question: Category: A "THORN"-Y CATEGORY 
Clue: He replaced Edwin Meese as Attorney General

Answer: dick thornburgh


Question: Category: WEIRD NATURE 
Clue: A giraffe can clean its ears with this up to 18-inch-long appendage

Answer:
tongue