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Dunn  Bros  Coffee is a franchise company of coffeehouses founded in St. Paul Minnesota in December 1987 by brothers Ed and  Dan Dunn  .
 founded by: Bros, Dan Dunn
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:  Bros, Dan Dunn 
Answer:
 founded by: Bros, Dan Dunn