Detailed Instructions: 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.
Q: Category: THE DISAPPOINTING 21st CENTURY
Clue: Type of city we don't live in, or type of stadium replaced by retractable-roof ones in Houston & Indianapolis
A:
domed