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Erica Kathleen " Kathy " Horvath ( born August 25 , 1965 , in Chicago , Illinois ) is a retired American professional tennis player .
 Kathleen, Horvath, Chicago, Illinois
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kathleen, Horvath, Chicago, Illinois