Choose your answer from: A). drain the gasoline B). wash the gasoline C). cool down the gasoline D). move to different locations E). adding heat F). ignite the gasoline G). vaporization H). evaporation

Fact 1: Using a gasoline engine requires burning gasoline. Fact 2: When the fuel is ignited, it burns with oxygen. Given the two facts above, if you want to use a gasoline engine, what must you do with the gasoline?
Answer:
F).