Please answer the following question: Information: - The diving competition at the 2007 World Aquatics Championships was held from March 19 to March 26 . - The 2007 World Aquatics Championships or the XII FINA World Championships were held in Melbourne, Australia from 17 March to 1 April 2007. The competition took place at three locations in central Melbourne: the Melbourne Sports and Aquatic Centre (diving and water polo), St Kilda Beach (open water), and Rod Laver Arena in a temporary pool christened the Susie O'Neill Pool (synchro and swimming). - Rod Laver Arena is a multipurpose arena located within Melbourne Park, in Melbourne, Victoria, Australia. The arena is the main venue for the Australian Open, a tennis Grand Slam event since 1988. What entity does 'diving at the 2007 world aquatics championships' has the relation 'sport' with?
A:
swimming