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seven iraqis were killed by u . s . marines , who say they were responding to sniper fire .
 geographical social political: u . s; person: seven iraqis; person: u . s . marines , who say they were responding to sniper fire; person: who; person: they; person: sniper
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, seven iraqis, u . s . marines , who say they were responding to sniper fire, who, they, sniper 
Answer:
 geographical social political: u . s; person: seven iraqis; person: u . s . marines , who say they were responding to sniper fire; person: who; person: they; person: sniper