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Poisoned Pen Press  was founded in 1997 by Barbara G. Peters  Robert Rosenwald  and their daughter Susan Malling .
 founded by: Poisoned Pen Press, Robert Rosenwald
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:  Poisoned Pen Press, Robert Rosenwald 
Answer:
 founded by: Poisoned Pen Press, Robert Rosenwald