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Prior to forming Drive Like Jehu vocalist Rick Froberg and  guitarist   John Reis  had played together in Pitchfork from 1986 to 1990 .
 guitarist, John Reis
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 guitarist, John Reis