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Humphrey Sumner Milford ( 8 February 1877 6 September 1952 ) was an English publisher and editor who from 1913 to 1945 was Publisher to the  University of Oxford  and head of the London operations of  Oxford University Press  ( OUP ) .
 subsidiaries: University of Oxford, Oxford University Press
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
 Entity Pairs:  University of Oxford, Oxford University Press 
Answer:
 subsidiaries: University of Oxford, Oxford University Press