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The SWPP-BPPA Society is a British professional photographic organization formed in January 2000 as a result of a merger between the Society of Wedding and Portrait Photographers (  SWPP  ) and the  British Professional Photographic Associates  .
 alternate names: SWPP, British Professional Photographic Associates
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: SWPP, British Professional Photographic Associates