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SHANGHAI - International  Dairy Queen  Inc. the U.S. fast-food and ice-cream chain owned by  Warren Buffett  's Berkshire Hathaway Inc. plans to increase its outlets in China by more than 60 percent by the end of next year .
 founded by: Dairy Queen, Warren Buffett
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:  Dairy Queen, Warren Buffett 
Answer:
 founded by: Dairy Queen, Warren Buffett