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The  Armed Forces  encompass three professional uniformed services : the Naval Service ( including the Royal Navy and Royal Marines ) the British Army and the  Royal Air Force  .
 subsidiaries: Armed Forces, Royal Air Force
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:  Armed Forces, Royal Air Force 
Answer:
 subsidiaries: Armed Forces, Royal Air Force