13402
Westfield Sydney is an upscale shopping centre operated by the  Westfield Group  and located beneath the  Sydney  Tower in the Sydney central business district Australia .
 city of headquarters: Westfield Group, Sydney
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: Westfield Group, Sydney