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We 're known as a very strong center for both defense-related and space science-related activities said  Lee Peterson  chair of the aerospace engineering sciences department at the  University of Colorado at Boulder  .
 Lee Peterson, University of Colorado at Boulder
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Lee Peterson, University of Colorado at Boulder