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: NEXT LETTER AFTER... 
Clue: ...J in the Macedonian alphabet

Answer: k


Question: Category: DIGESTION 
Clue: This substance in your food slows down the digestive process & is what bile works on

Answer: fat


Question: Category: GIFT GIVING 
Clue: Matt asked me to get him one of this brand of air rifle, like Ralphie in "A Christmas Story"

Answer:
a red ryder bb gun