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It was called the American Federation of Labor ( AFL ) and was founded by Samuel Gompers in  1886  to replace its predecessor the  Federation of Organized Trades and Labor Unions  .
 founded: 1886, Federation of Organized Trades and Labor Unions
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  1886, Federation of Organized Trades and Labor Unions 
Answer:
 founded: 1886, Federation of Organized Trades and Labor Unions