Motorcycles or mopeds often leave empty spaces on the right and right sides of their lane. What should you do with these empty spaces?

• You should use these empty spaces to pass them.
• You should move alongside with them.
• You should not use these empty spaces to pass them.
  Explanation:

  "Motorcycles and mopeds often need to pull to the left or right side of their lane to avoid dangerous road conditions or to be seen by other drivers. Do not take this as an invitation to pass in the same lane. If you do want to pass these vehicles, do so by changing lanes."
• None of these