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In the pitch black of a city without power , these soldiers manning a roadblock became nervous .
 geographical social political: a city without power; person: these soldiers manning a roadblock; facility: a roadblock
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: a city without power; person: these soldiers manning a roadblock; facility: a roadblock