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Bennett McCallum earned a B.A. (in economics) and a B.Sc. (in chemical engineering) from Rice University. He then attended Harvard Business School to earn his M.B.A., before returning to Rice in order to get his Ph.D. in economics.
 education institution: Bennett McCallum, 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: Bennett McCallum, Harvard Business School