In the right lane of a two-lane road, what should be your position that provides good visibility and blocks other vehicles?

• To the left of the centre of the lane in the left tire track
  Explanation:

  "In the right lane of a two-lane road, you should be slightly to the left of the centre of the lane in the left tire track."
• To the right of the centre of the lane in the right tire track
• The centre of the lane
• Wherever you want