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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 a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
Answer:
 education institution: Jack Graf, Harvard Business School