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It established a multiparty liberal democracy in the framework of a constitutional monarchy , with the former Prince Sihanouk elevated to King .
 person: Sihanouk
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: Sihanouk 
Answer:
 person: Sihanouk