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YBhg Tan Sri Dr Yahya Awang who was the cardiac surgeon responsible for performing the first cardiac coronary bypass on  Tun   Dr Mahathir  will be heading the surgery team .
 alternate names: Tun, Dr Mahathir
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:  Tun, Dr Mahathir 
Answer:
 alternate names: Tun, Dr Mahathir