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Today is very personal as our dream becomes more real said Sir  Richard Branson  whose company  Virgin Galactic  will operate the flights .
 founded by: Richard Branson, Virgin Galactic
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 founded by: Richard Branson, Virgin Galactic