277574
Vrolijk made her official debut , as Aruba 's youngest athlete ( aged 15 ) , at the 2000 Summer Olympics in Sydney , where she competed in the women 's 50 m freestyle .
 location: Sydney
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: Sydney 
Answer:
 location: Sydney