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Hong Kong  's financial watchdog on Wednesday launched a probe into Beijing-backed investment firm  Citic Pacific  which is facing losses of nearly two billion US dollars in failed currency bets .
 city of headquarters: Hong Kong, Citic Pacific
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: Hong Kong, Citic Pacific