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He studied at the Westminster School of Art where he was taught by the artist Walter Sickert and earned his diploma in 1915. Sickert remained an artistic mentor and a friend until he died in 1942. Harry Barr was also good friends from childhood with David Bomberg (they both grew up in Whitechapel in the East End of London) until Bomberg's death in 1957.
 education institution: Harry Barr, Westminster School of Art
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: Harry Barr, Westminster School of Art