How can you confirm that the driver of a large vehicle can see you?

• If you can’t see the driver in the side mirror, the driver can see you.
• If you can’t see the driver in the side mirror, the driver can’t see you.
• If you can see the driver in the side mirror, the driver can see you.
  Explanation:

  "To make sure the driver of a large vehicle can see you, check if you can see the driver’s face in their side mirror. If you can see the driver in the mirror, it means they can likely see you as well."
• None of the above.