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The history of the  Portland Timbers  stretches back to 1975 when the original Timbers club joined the  North American Soccer League  to the present club that plays in Major League Soccer .
 members: Portland Timbers, North American Soccer League
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:
 members: Portland Timbers, North American Soccer League