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Robert Lockwood Jr. , the Mississippi Delta bluesman who was taught by Robert Johnson and became a mentor to generations of blues musicians , died on Tuesday in Cleveland , where he lived .
 place lived: Robert Lockwood Jr., Cleveland
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:  Robert Lockwood Jr., Cleveland 
Answer:
 place lived: Robert Lockwood Jr., Cleveland