10097
PCCW   Hong Kong  's largest fixed-line telephone operator rocketed 26.9 percent to 3.68 HK dollars as Richard Li son of Hong Kong's richest tycoon Li Ka-shing and state-controlled China Netcom offered to buy part of PCCW they do n't control for 4.2 HK dollars a share .
 city of headquarters: PCCW, Hong Kong
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:  PCCW, Hong Kong 
Answer:
 city of headquarters: PCCW, Hong Kong