11157
In 1951 WEB was formally integrated into the  AFL  ( and later after the merger with the Congress of Industrial Organizations the  AFL-CIO  ) as its Education Department .
 alternate names: AFL, AFL-CIO
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:  AFL, AFL-CIO 
Answer:
 alternate names: AFL, AFL-CIO