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After 10 Pakistanis were arrested on suspicion of belonging to an Islamic radical support network , the Spanish police discovered a video showing details of a number of buildings in Barcelona , including the 40-story Mapfre Tower and the 44-story Hotel Arts , which are known as Spain 's '' twin towers , '' a senior Spanish intelligence official said .
 Barcelona, Spain; Spain, Barcelona
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Barcelona, Spain; Spain, Barcelona