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Henry Campbell died on 6 March 1924 in London where he had come for an operation. He had married for a second time in 1910 or 1911, and left a widow Alice. One of his sons became a barrister, being called to the bar in 1907 and practising in Dublin and on the Irish North West circuit.
 place of death: Henry Campbell, London
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 death: Henry Campbell, London