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said Kim Yon - hwan , head of an umbrella group for state utility labor unions .
 state, an umbrella group for state utility labor unions, state utility labor unions, Kim Yon - hwan, head of an umbrella group for state utility labor unions, labor
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 state, an umbrella group for state utility labor unions, state utility labor unions, Kim Yon - hwan, head of an umbrella group for state utility labor unions, labor