Read the following passage: 'A flashing yellow light means proceed with caution. Drivers should slow down and be prepared to stop if necessary, but are not required to come to a complete stop.' What does a flashing yellow light require drivers to do?
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A
Come to a complete stop before proceeding
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B
Slow down and proceed with caution
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C
Stop only if other vehicles are present
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D
Treat it the same as a green light