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Takeshi Sato ( b. June 8 , 1985 ) is a Japan ese professional wrestler , Sumo wrestler in the Secret Base promotion .
 Takeshi Sato, Japan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Takeshi Sato, Japan