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In the day , you 'd hear that Microsoft was the evil empire , especially in Silicon Valley , '' said Brian Lent , the president of Medio Systems , a start-up in Seattle working on mobile-phone-based search . ''
 person of company: Brian Lent, Medio Systems; company founders: Medio Systems, Brian Lent
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:  Brian Lent, Medio Systems; Medio Systems, Brian Lent 
Answer:
 person of company: Brian Lent, Medio Systems; company founders: Medio Systems, Brian Lent