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South Korean boy group TVXQ ( Korean : 동방신기 ; Tong Vfang Xien Qi ) , known as Tohoshinki in Japan , have embarked on three concert tours across Asia and six concert tours in Japan .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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