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Taiwan is a key component of HSBC's Greater China positioning said  Vincent Cheng  chairman of  HSBC  's Asian unit Hongkong Shanghai Banking Corp .
 top members employees: Vincent Cheng, HSBC
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:  Vincent Cheng, HSBC 
Answer:
 top members employees: Vincent Cheng, HSBC