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At the time a South African Police Service spokesman stated that the blast could have killed and injured dozens of people if the detonator had not failed to set off the explosives .
 organization: South African Police Service
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: South African Police Service 
Answer:
 organization: South African Police Service