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walt rodgers , 3 - 7th cavalry says iraqi missile hit operation center for 2nd brigade 3rd infantry zrigs south baghdad , at least four dead , two soldiers and two journalists .
 geographical social political: iraqi; organization: 3 - 7th cavalry; organization: 2nd brigade 3rd infantry; person: walt rodgers; person: at least four; person: two soldiers; person: two journalists; facility: operation center for 2nd brigade 3rd infantry zrigs south baghdad; location: south baghdad; weapon: iraqi missile
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; organization: 3 - 7th cavalry; organization: 2nd brigade 3rd infantry; person: walt rodgers; person: at least four; person: two soldiers; person: two journalists; facility: operation center for 2nd brigade 3rd infantry zrigs south baghdad; location: south baghdad; weapon: iraqi missile