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The women 's singles draw included the defending champion and seven-time Grand Slam champion Venus Williams , 2010 Open GDF Suez semifinalist Melanie Oudin , Gisela Dulko , Carla Suárez Navarro and Alizé Cornet .
 Venus Williams, Melanie Oudin, Gisela Dulko, Carla Suárez Navarro, Alizé Cornet
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Venus Williams, Melanie Oudin, Gisela Dulko, Carla Suárez Navarro, Alizé Cornet