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The 18-year-old Olsza , last year 's Wimbledon junior champion , celebrated her debut in the main draw of the Open by removing Maleeva 6-4 6-2 .
 Maleeva, Olsza, Open, Wimbledon
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Maleeva, Olsza, Open, Wimbledon