3781
V. R. Galkar Director  Reliance Energy  Limited having his office at Reliance Energy Centre Santa Cruz ( E )  Mumbai  400 055 .
 city of headquarters: Reliance Energy, Mumbai
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:  Reliance Energy, Mumbai 
Answer:
 city of headquarters: Reliance Energy, Mumbai