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Brooks Island is a , mostly flat strip of land extending from a round hill which peaks at in San Francisco Bay , located just south of the Richmond Inner Harbor in Richmond , California .
 Francisco, Richmond, Richmond , California
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Francisco, Richmond, Richmond , California