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Synon  Ltd was founded in London in 1984 by  Simon Williams  ( CEO ) Melinda Horton ( COO ) and Nick Knowles ( CTO ) with the objective of developing an application generator for the IBM System/38 platform .
 founded by: Synon, Simon Williams
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:  Synon, Simon Williams 
Answer:
 founded by: Synon, Simon Williams