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In 1985 he became a Greek representative of World Tang Soo Do Association under the guidance of Shin Jae-chul and a black belt in Tang Soo Do .
 Shin Jae-chul
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Shin Jae-chul