What does this traffic light indicate when flashing?

• Drivers must come to a complete stop and then proceed when safe.
• Drivers should speed up and pass through the intersection quickly.
• Drivers should proceed with caution.
  Explanation:

  "A flashing yellow traffic light indicates caution. A flashing yellow traffic light typically indicates that drivers should proceed with caution and be alert to their surroundings."
• Drivers must yield to pedestrians and other vehicles.