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Centcom also says 2500 Republican Guard troops have surrendered to U.S. Marines between Kut and Baghdad .
 organization: Centcom; cardinal: 2500; organization: Republican Guard; national religious political: U.S. Marines; geographical social political: Kut; geographical social political: Baghdad
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:
 organization: Centcom; cardinal: 2500; organization: Republican Guard; national religious political: U.S. Marines; geographical social political: Kut; geographical social political: Baghdad