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In the  United Kingdom  postbus services by  Royal Mail  began in 1967 to replace rapidly declining local bus and rail services in rural areas and provide a community service .
 United Kingdom, Royal Mail
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 United Kingdom, Royal Mail