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I will say this what the North Koreans have done over the past week is going to give a lot of strength in our efforts to develop a missile defense system .
 national religious political: the North Koreans; date: the past week
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:
 national religious political: the North Koreans; date: the past week