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The  National Brotherhood of Workers of America  (  NBWA  ) was the largest body of organised African American workers in the United States of America in 1919 .
 alternate names: National Brotherhood of Workers of America, NBWA
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:
 alternate names: National Brotherhood of Workers of America, NBWA