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Clayton County  had decided to balance its budget by shutting down  C-Tran  the bus system stranding daily riders .
 city of headquarters: Clayton County, C-Tran
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:  Clayton County, C-Tran 
Answer:
 city of headquarters: Clayton County, C-Tran