4131
It is supposed that the  Emperor  to whom this message was sent was Emperor  Heraclius  himself and that he sent it to Pope John IV .
 title of person: Emperor, Heraclius
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
 Entity Pairs:  Emperor, Heraclius 
Answer:
 title of person: Emperor, Heraclius