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Which city is represented by the code SFO?

  1. San Francisco

  2. San Diego

  3. Sacramento

  4. San Jose

The correct answer is: San Francisco

The city represented by the code SFO is San Francisco. This airport code comes from the name of the city and is a widely recognized identifier in the airline industry. San Francisco International Airport serves as a major gateway for international flights and is one of the busiest airports in the United States. The use of SFO is well established, ensuring it is associated specifically with San Francisco. Other options represent different cities and have their own distinct codes; for example, San Diego uses the code SAN, Sacramento uses SMF, and San Jose uses SJC. Each of these codes reflects their respective cities, further emphasizing that SFO is uniquely tied to San Francisco.