10091
Once known as Un-Thanksgiving , the Indigenous Peoples ' Thanksgiving Day Sunrise Gathering on Alcatraz Island in San Francisco Bay has been held since the 70 's , not long after an Indian group occupied the island in a 19-month standoff .
 location contains: San Francisco Bay, Alcatraz Island
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:  San Francisco Bay, Alcatraz Island 
Answer:
 location contains: San Francisco Bay, Alcatraz Island