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Cristina Acidini , the director of one of Italy 's main restoration institutes , the Opificio delle Pietre Dure in Florence , said many paintings adjust to their surroundings , especially those in churches , but that the institute still recommends constant temperature controls and humidity ranging from 50 percent to 55 percent . ''
 location contains: Italy, Florence
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Italy, Florence 
Answer:
 location contains: Italy, Florence