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He joined the forces of Charles V , Holy Roman Emperor , on his visit to England .
 person: Charles V , Holy Roman Emperor
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: Charles V , Holy Roman Emperor 
Answer:
 person: Charles V , Holy Roman Emperor