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Lee Ho-won ( Hangul : 이호원 ; Hanja : 李浩沅 ; born March 28 , 1991 ) , commonly known by his stage name Hoya is a South Korea n singer , rapper and actor .
 South Korea
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 South Korea