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Boston College  's main campus in Chestnut Hill west of downtown Boston is and includes over 120 buildings set on a hilltop overlooking the  Chestnut Hill  Reservoir .
 city of headquarters: Boston College, Chestnut Hill
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:  Boston College, Chestnut Hill 
Answer:
 city of headquarters: Boston College, Chestnut Hill