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Elon Musk , the founder of PayPal , created the rocket company SpaceX , and John Carmack , the creator of computer games like Doom and Quake , has been testing rocket designs through his company , Armadillo Aerospace near Dallas .
 company founders: PayPal, Elon Musk; person of company: John Carmack, Armadillo Aerospace
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: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 company founders: PayPal, Elon Musk; person of company: John Carmack, Armadillo Aerospace