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Humayun Khan was educated at the prestigious Bishop Cotton School  in Simla, India and later at Edwardes College Peshawar and at Trinity College, Cambridge. He holds an honours degree and an MA from Cambridge University. He was called to the Bar from Lincoln's Inn, London in 1954. Later, he earned another MA and a Doctorate from the University of Southern California, Los Angeles.
 education institution: Humayun Khan, Bishop Cotton 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: Humayun Khan, Bishop Cotton School 