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The  278th Armored Cavalry Regiment  ( 278th ACR Third  Tennessee  ) is a regiment of the Tennessee Army National Guard with headquarters in Knoxville Tennessee .
 278th Armored Cavalry Regiment, Tennessee
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:
 278th Armored Cavalry Regiment, Tennessee