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Seven Americans remain prisoners of war in Iraq and 15 Americans are listed as missing in action .
 geographical social political: Iraq; person: Seven Americans; person: prisoners of war; person: 15 Americans
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: Iraq; person: Seven Americans; person: prisoners of war; person: 15 Americans