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The Cleveland Rams selected Jack Graf in the 1942 NFL Draft, but he instead attended Harvard Business School . In 1945 Graf and his brother Campbell Jr. joined their father's electrical engineering company to form Graf and Sons. He also served 26 years as an assistant coach with the Ohio State basketball team.
 education institution: Jack Graf, Harvard Business School
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:  Jack Graf, Harvard Business School 
Answer:
 education institution: Jack Graf, Harvard Business School