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: I'M AUSTRALIAN 
Clue: In the 1910s Alexander MacRae responded to the growing beach culture by creating this swim brand
[A]: speedo


[Q]: Category: ARCHITECTURE 
Clue: This architecturally controversial Paris complex opened in 1977
[A]: pompidou centre/beaubourg


[Q]: Category: DIMENSIONS 
Clue: Don't lose the thread--there are 10 or so dimensions in this physics theory
[A]:
string theory