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Born in Highgate , London, the eldest son of 7 children of Benjamin Thomas, a Lloyd's underwriter and Katherine nee Edwards, he attended Highgate School and Trinity College, Oxford, graduating in classics (1892) and literae humaniores (1894). Frank Douglas MacKinnon was called to the bar by the Inner Temple in 1897 and became a pupil of Thomas Edward Scrutton where he was a contemporary of James Richard Atkin, later to become Lord Atkin. When Scrutton became a QC in 1901, MacKinnon benefited from Scrutton's former junior practice in commercial law. MacKinnon's brother, Sir Percy Graham MacKinnon (1872--1956) was, from time to time, chairman of Lloyd's and his family connections helped build his practice.
 place of birth: Frank Douglas MacKinnon, Highgate
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:
 place of birth: Frank Douglas MacKinnon, Highgate