23210
Cassius Dio 's account is only known from an epitome , and his sources are uncertain .
 person: Cassius Dio
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: Cassius Dio 
Answer:
 person: Cassius Dio