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On 4 August 2012 , she won the bronze medal when Wang Xin retired from the match after an injury at 18 – 21 , 0 – 1 .
 Wang Xin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Wang Xin