1537
Labor leader  Andy Stern  president of the  Service Employees International Union  has become one of the most outspoken and unconventional proponents of health-care reforms to guarantee coverage for all while reining in costs .
 top members employees: Andy Stern, Service Employees International Union
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: Andy Stern, Service Employees International Union