21097
The prince-electors themselves , with the exception of Frederick of Saxony , who refused to countenance the campaigning , promised their support to both candidates at once .
 person: Frederick of Saxony
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: Frederick of Saxony 
Answer:
 person: Frederick of Saxony