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U . S . and British troops were moving on the strategic southern port city of Basra Saturday after a massive aerial assault pounded Baghdad at dawn .
 geographical social political: U . S; geographical social political: British; geographical social political: the strategic southern port city of Basra; geographical social political: Basra; geographical social political: Baghdad; person: U . S . and British troops
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, British, the strategic southern port city of Basra, Basra, Baghdad, U . S . and British troops 
Answer:
 geographical social political: U . S; geographical social political: British; geographical social political: the strategic southern port city of Basra; geographical social political: Basra; geographical social political: Baghdad; person: U . S . and British troops