6368
He and his wife Wanda von Mohl ( Countess von der Groeben ) served with the Japanese Imperial Household Ministry in Tokyo  Japan  to introduce European Court ceremonials and protocols to Japanese  Emperor Meiji  and his court .
 countries of residence: Japan, Emperor Meiji
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:
 countries of residence: Japan, Emperor Meiji