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The document , details of which were broadcast Wednesday night on BBC television , was quoted as saying that indirectly , Pakistan , through the security agency , '' has been supporting terrorism and extremism , whether in London on 7\/7 , '' the date when suicide bombers attacked three subway trains and a double-decker bus last year , '' or in Afghanistan or Iraq . ''
 BBC, London
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:
 BBC, London