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Roh has said any pre - emptive strike against the North ' s nuclear facilities could prove disastrous .
 the North, Roh, the North ' s nuclear facilities
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:
 the North, Roh, the North ' s nuclear facilities