50613
Gregory of Nyssa discusses the long-before believed possibility of purification of souls after death .
 person: Gregory of Nyssa
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: Gregory of Nyssa 
Answer:
 person: Gregory of Nyssa