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And U . S . Central Command says more than 4 , 000 Iraqis have been captured , but British officials believe that figure is much higher .
 geographical social political: U . S; geographical social political: British; organization: U . S . Central Command; person: more than 4 , 000 Iraqis; person: British officials
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 geographical social political: U . S; geographical social political: British; organization: U . S . Central Command; person: more than 4 , 000 Iraqis; person: British officials