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: WORLD CITIES 
Clue: Intercontinental flights to Scotland land at Prestwick Airport just outside this city

SOLUTION: glasgow

PROBLEM: Category: BRAVE NEW WORD 
Clue: If you reply anonymously to support your own post in an online forum, you're this hand puppet, like Lamb Chop

SOLUTION: sock puppet

PROBLEM: Category: DIBS! 
Clue: The Dutch had already sighted Australia, & Aborigines lived there, when he claimed it for England in 1770

SOLUTION:
captain james cook