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New Concern on Polio Among Mecca Pilgrims A case of polio apparently reached Mecca in Saudi Arabia , Islam 's holy city , just before two million Muslims made the annual pilgrimage there last month , and World Health Organization officials say that the disease could be spread to other countries , carried by returning pilgrims .
 location contains: Saudi Arabia, Mecca
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:  Saudi Arabia, Mecca 
Answer:
 location contains: Saudi Arabia, Mecca