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Lee Yong-dae decided to stop playing mixed doubles altogether , possibly due to the strain on his injured elbow from playing both men 's and mixed doubles .
 person: Lee Yong-dae
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Lee Yong-dae