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A North Korean foreign ministry spokesman was quoted as saying by state - run KCNA news agency that the visit helped both sides better understand each other and they shared the view that Washington and Pyongyang needed to avoid confrontation and exist peacefully .
 North Korean, state, both sides, each other, they, Washington, Pyongyang, North Korean foreign ministry, state - run KCNA news agency, KCNA, A North Korean foreign ministry spokesman
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, state, both sides, each other, they, Washington, Pyongyang, North Korean foreign ministry, state - run KCNA news agency, KCNA, A North Korean foreign ministry spokesman