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.

Category: BALLET 
Clue: "Filling Station" features dancing truck drivers & this 1930s dance whose name is New York City's nickname
the big apple

Category: ANIMAL VERBS 
Clue: Nag or pester persistently
badger

Category: ANIMAL PASSION 
Clue: Geese & these birds that include the trumpeter type mate for life; ducks are more promiscuous

swans