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In a political version of a two-minute drill , two California politicians have pledged to introduce laws to prevent the San Francisco 49ers from calling themselves the San Francisco 49ers if the team relocates to Santa Clara , a Silicon Valley city 45 miles south of here .
 California, San Francisco; California, Santa Clara; California, San Francisco; California, Silicon Valley; Silicon Valley, Santa Clara
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:
 California, San Francisco; California, Santa Clara; California, San Francisco; California, Silicon Valley; Silicon Valley, Santa Clara