107555
The men 's 4 × 100 metre freestyle relay at the 2007 World Aquatics Championships took place on 25 March 2007 at the Rod Laver Arena in Melbourne , Australia .
 location: Melbourne , Australia
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Melbourne , Australia 
Answer:
 location: Melbourne , Australia