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vice president of investment counseling. Rex Sinquefield spent nine years at American National Bank & Trust Company after receiving his MBA in 1972, rising to chief investment officer, executive vice president, and chairman of the trust committee. Each left his respective position to form Dimensional Fund Advisors, Inc., in 1981.
 education degree: Rex Sinquefield, MBA
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
 Entity Pairs:  Rex Sinquefield, MBA 
Answer:
 education degree: Rex Sinquefield, MBA