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Cathedral Preparatory School  ( often referred to simply as Prep ) is an all-male college prep school in  Erie  Pennsylvania run by the Roman Catholic Diocese of Erie and was established in 1921 by Archbishop John Mark Gannon .
 city of headquarters: Cathedral Preparatory School, Erie
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: 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} 
Answer:
 city of headquarters: Cathedral Preparatory School, Erie