1042
Pope Eugene IV was concerned that the enslavement of newly baptized Christians would impede the spread of Christianity and therefore issued a Papal Bull , " Creator Omnium " , on 17 December 1434 .
 person: Pope Eugene IV
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: Pope Eugene IV 
Answer:
 person: Pope Eugene IV