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Julianne Lee , a Roh spokeswoman , said the North Korean statement might be a negotiating ploy in the wake of talks last month with U . S . officials in Beijing .
 North Korean, U . S, Beijing, Julianne Lee, a Roh spokeswoman, Roh, U . S . officials
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 North Korean, U . S, Beijing, Julianne Lee, a Roh spokeswoman, Roh, U . S . officials