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He attracted the attention of the Emperor Joseph II who influenced him in 1785 to change surname from Boogers to Boër .
 person: Joseph II; person: Boër
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: Joseph II, Boër 
Answer:
 person: Joseph II; person: Boër