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For  Tatsuo Okamoto  a 51-year-old semiconductor engineer the biggest change was the speed in decision-making at the Taiwanese company  Winbond  Electronics which hired him away from the Tokyo-based chipmaker Renesas Technology two years ago .
 top members employees: Tatsuo Okamoto, Winbond
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:  Tatsuo Okamoto, Winbond 
Answer:
 top members employees: Tatsuo Okamoto, Winbond