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Constans  is a diminutive nickname given to the Emperor who had been baptized Herakleios and reigned officially as  Constantine  .
 alternate names: Constans, Constantine
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:  Constans, Constantine 
Answer:
 alternate names: Constans, Constantine