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Al-Kudmani made his official debut , as a member of an all-male Saudi Arabian team , at the 2000 Summer Olympics in Sydney , where he competed in the men 's 100 m breaststroke .
 Saudi, Sydney
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Saudi, Sydney