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Of the 27 British troops , in all who have been killed , at least 19 of them were said to be victims of friendly fire or accidents .
 geographical social political: British; person: the 27 British troops , in all who have been killed; person: who; person: at least 19 of them; person: them; person: victims of friendly fire or accidents
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: British; person: the 27 British troops , in all who have been killed; person: who; person: at least 19 of them; person: them; person: victims of friendly fire or accidents