20784
Iserninus is referred to as a bishop in the Annals of Ulster , and he is recorded as having begun his mission in 439 AD .
 person: Iserninus
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: Iserninus 
Answer:
 person: Iserninus