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Mark Zuckerberg of Facebook is not stepping aside for a chief executive as Larry Page and  Sergey Brin  did at  Google  or as Jerry Yang and David Filo did at Yahoo .
 top members employees: Sergey Brin, Google
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: Sergey Brin, Google