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Leeham Company Several days later  Chew Choon Seng  then CEO of  Singapore Airlines  ( SIA ) made a similar comment : Having gone to the trouble of designing a new wing tail cockpit and adding advanced new materials Airbus should have gone the whole hog and designed a new fuselage .
 top members employees: Chew Choon Seng, Singapore Airlines
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:  Chew Choon Seng, Singapore Airlines 
Answer:
 top members employees: Chew Choon Seng, Singapore Airlines