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It is a Commonwealth realm , a constitutional monarchy with the Queen of Saint Christopher and Nevis , Elizabeth II , is its head of state .
 location: Saint Christopher and Nevis; person: Elizabeth II
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: Saint Christopher and Nevis, Elizabeth II 
Answer:
 location: Saint Christopher and Nevis; person: Elizabeth II