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He went to Pembroke College  Cambridge  in 1775 becoming friends with the future Prime Minister  William Pitt the Younger  and was awarded MA in 1780 .
 cities of residence: Cambridge, William Pitt the Younger
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:  Cambridge, William Pitt the Younger 
Answer:
 cities of residence: Cambridge, William Pitt the Younger