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Set opposite Kurzweil and his buoyancy is Bill Joy , a founder of Sun Microsystems , whose musings tend toward the apocalyptic .
 person of company: Bill Joy, Sun Microsystems; company founders: Sun Microsystems, Bill Joy
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Bill Joy, Sun Microsystems; Sun Microsystems, Bill Joy 
Answer:
 person of company: Bill Joy, Sun Microsystems; company founders: Sun Microsystems, Bill Joy