11380
At the time they shared two directors : Eric E. Schmidt Google's chief and  Arthur D. Levinson  the former chief executive of  Genentech  .
 top members employees: Arthur D. Levinson, Genentech
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: Arthur D. Levinson, Genentech