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Iraqis who initially were cautious when U . S . forces arrived in Najaf ended cheering them on , shaking their hands and patting their backs .
 geographical social political: U . S; geographical social political: Najaf; person: Iraqis who initially were cautious when U . S . forces arrived in Najaf; person: who; person: U . S . forces; person: them; person: their; person: their
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
 Entities: U . S, Najaf, Iraqis who initially were cautious when U . S . forces arrived in Najaf, who, U . S . forces, them, their, their 
Answer:
 geographical social political: U . S; geographical social political: Najaf; person: Iraqis who initially were cautious when U . S . forces arrived in Najaf; person: who; person: U . S . forces; person: them; person: their; person: their