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The park closed down in 1939 because the Great Depression left many people without much money , the completion of the San Francisco–Oakland Bay Bridge changed traffic patterns , people avoided paying the admission price , and the rise of car culture gave people many more choices for recreation destinations .
 location: San Francisco–Oakland Bay Bridge
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: San Francisco–Oakland Bay Bridge 
Answer:
 location: San Francisco–Oakland Bay Bridge