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During the California gold rush , for example , the islands were briefly home to enterprising egg gatherers , who , with the aid of homemade crampons , scrambled up the treacherous cliffs collecting hundreds of thousands of wild murre eggs -LRB- unappetizing , with speckled , leathery shells and red yolks -RRB- for the chicken-deficient residents of booming San Francisco .
 location contains: California, San Francisco
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:  California, San Francisco 
Answer:
 location contains: California, San Francisco