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But did n't North Korea develop a nuclear bomb on Bill Clinton 's watch /?
 geographical social political: North Korea; person: Bill Clinton 's
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 geographical social political: North Korea; person: Bill Clinton 's