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The  Southern African Clothing and Textile Workers Union  (  SACTWU  ) is the biggest union in the clothing textile and leather industry with more than 100 000 members .
 alternate names: Southern African Clothing and Textile Workers Union, SACTWU
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:  Southern African Clothing and Textile Workers Union, SACTWU 
Answer:
 alternate names: Southern African Clothing and Textile Workers Union, SACTWU