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St. Peter 's Square will again be flooded with pilgrims and pageantry on Sunday when Pope Benedict XVI is installed as leader of the Roman Catholic Church at an outdoor Mass marked by both innovations and long-forgotten traditions .
 religion: Pope Benedict XVI, Roman Catholic Church
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: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 religion: Pope Benedict XVI, Roman Catholic Church