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Robert G. " Rob " Clarke ( born March 2 , 1967 ) is a politician and career Royal Canadian Mounted Police officer .
 person: Rob; person: Clarke; organization: Royal Canadian Mounted Police
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Rob, Clarke, Royal Canadian Mounted Police 
Answer:
 person: Rob; person: Clarke; organization: Royal Canadian Mounted Police