This image depicts
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San Francisco Airport (an airport)
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United Airlines (a company)
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postcard: United Air Lines, Douglas DC-3, San Francisco Airport (an object)
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United Air Lines (an airline)
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Douglas DC-3 (an aircraft)
- San Francisco Airport (an airport)
- United Airlines (a company)
- postcard: United Air Lines, Douglas DC-3, San Francisco Airport (an object)
- United Air Lines (an airline)
- Douglas DC-3 (an aircraft)