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of the Department of Defence. Duncan Lewis graduated from the Royal Military College, Duntroon in 1975. Following graduation, he was assigned to the Royal Australian Infantry Corps. He holds a Bachelor of Arts degree from the University of New South Wales and a Graduate Diploma in Defence Studies and Management from Deakin University. He attended the British Army Staff College , Camberley and the US Army War College.
 education institution: Duncan Lewis, Staff College
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: Duncan Lewis, Staff College