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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 a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 top members employees: Tatsuo Okamoto, Winbond