13687
Bill  and Melinda Gates who co-chair the  Bill Melinda Gates Foundation  that funds the initiative called the new data a highly encouraging sign of progress in global health .
 founded by: Bill, Bill Melinda Gates Foundation
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:
 founded by: Bill, Bill Melinda Gates Foundation