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Ian Murray Mackerras studied medicine at the University of Sydney in April 1919 but soon switched to zoology. In March 1924 Mackerras graduated MB, ChM, BSc, with First Class Honours in Zoology, the University Medal in Zoology, and shared the John Coutts Scholarship).
 education institution: Ian Murray Mackerras, University of Sydney
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: Ian Murray Mackerras, University of Sydney