9743
All surviving sources , except Pliny the Elder , characterize Caligula as insane .
 person: Pliny the Elder; person: Caligula
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: Pliny the Elder, Caligula 
Answer:
 person: Pliny the Elder; person: Caligula