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First of all , as we saw just a few moments ago on CNN , the pictures of some of the actual happy Iraqi citizens welcoming U . S . troops , that taking place in Najaf .
 geographical social political: Iraqi; geographical social political: U . S; geographical social political: Najaf; organization: we; organization: CNN; person: some of the actual happy Iraqi citizens; person: U . S . troops
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: Iraqi; geographical social political: U . S; geographical social political: Najaf; organization: we; organization: CNN; person: some of the actual happy Iraqi citizens; person: U . S . troops