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In June 1998 he was appointed Assistant Chief Constable of West Midlands Police and was promoted Deputy Chief Constable in November 2001 .
 organization: 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: Police 
Answer:
 organization: Police