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when walter rodgers , our embedded reporter with the 3 - 7th cavalry says three battalions of troops are on the ground , inside baghdad itself , have taken up positions they ' re going to spend the night there presumably , how many soldiers are we talking about right now ?
 geographical social political: baghdad itself; geographical social political: itself; geographical social political: there; organization: our; organization: the 3 - 7th cavalry; person: walter rodgers; person: our embedded reporter with the 3 - 7th cavalry; person: three battalions of troops; person: troops; person: they; person: soldiers; person: we
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: baghdad itself, itself, there, our, the 3 - 7th cavalry, walter rodgers, our embedded reporter with the 3 - 7th cavalry, three battalions of troops, troops, they, soldiers, we 
Answer:
 geographical social political: baghdad itself; geographical social political: itself; geographical social political: there; organization: our; organization: the 3 - 7th cavalry; person: walter rodgers; person: our embedded reporter with the 3 - 7th cavalry; person: three battalions of troops; person: troops; person: they; person: soldiers; person: we