5691
Sonic the Hedgehog , mascot of Sega , celebrates his 15th anniversary .
 person: Sonic the Hedgehog; organization: Sega
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: Sonic the Hedgehog, Sega 
Answer:
 person: Sonic the Hedgehog; organization: Sega