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: "DON'T" YOU KNOW THIS SONG? 
Clue: No doubt you know this "Tragic Kingdom" tune was No. 1 for 16 weeks on the airplay chart in 1996 & '97

Answer: "don\'t speak"


Question: Category: ANIMAL VERBS 
Clue: Nag or pester persistently

Answer: badger


Question: Category: YOU GET AN "F" 
Clue: These seedless, nonflowering plants reproduce by spores on the undersides of their fronds

Answer:
ferns