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 Microsoft might have realized that there are a lot of people who have seen this idea , '' said Mark Spencer , an Asterisk designer and president of Digium , a company in Huntsville , Ala. , that sells a commercial version of the program . '' 
 Mark Spencer, Huntsville; Digium, Mark Spencer; Mark Spencer, Digium
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 Mark Spencer, Huntsville; Digium, Mark Spencer; Mark Spencer, Digium