TASK DEFINITION: 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.
PROBLEM: Category: ANIMAL VERBS 
Clue: Nag or pester persistently

SOLUTION: badger

PROBLEM: Category: ROCK-Y 
Clue: 1984's "Jump" was the first No. 1 hit for this group that features brothers Alex & Eddie

SOLUTION: van halen

PROBLEM: Category: THE ORCHESTRA 
Clue: It was invented in the 18th century, & in the 19th Monsieur Sax developed it into the saxophone

SOLUTION:
a clarinet