10017
He spent two years at  North Central Texas College  in  Gainesville  Texas .
 city of headquarters: North Central Texas College, Gainesville
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:  North Central Texas College, Gainesville 
Answer:
 city of headquarters: North Central Texas College, Gainesville