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In 2007 he was named one of InfoWorld's Top 25 CTOs Doug Dineley June 8 2007 : 2007 InfoWorld CTO 25 : Simon Crosby CTO XenSource Simon holds a PhD in Computer Science from the  University of Cambridge  an MSc degree in Computer Science from the  University of Stellenbosch  South Africa and a BSc ( Hons ) degree in Computer Science and Mathematics from the University of Cape Town South Africa .
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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:
 NA: University of Cambridge, University of Stellenbosch