7430
The western section of the bridge between San Francisco and Yerba Buena Island presented an enormous engineering challenge .
 location: San Francisco; location: Yerba Buena Island
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: San Francisco; location: Yerba Buena Island