5052
For over 9 years since 1992 he was Head of Information Technology at the The National Bank of Oman before he co-founded  Acette  Technologies now headquartered in  Dubai Internet City  .
 city of headquarters: Acette, Dubai Internet City
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 city of headquarters: Acette, Dubai Internet City