5850
A very famous bishop is St. Donatus an Irish monk the friend and adviser of Emperors  Louis the Pious  and  Lothair I.  He was elected in 826 and is buried in the cathedral where his epitaph dictated by himself may still be seen .
 None
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 NA: Louis the Pious, Lothair I.