What does this lane usage control sign indicate?

• If you are in the left lane, you must turn left at the intersection.
• If you are in the right lane, you can go straight or turn right at the intersection.
• If you are in the center lane, you must go straight.
• All of the above.
  Explanation:

  "This sign indicates that the drivers in the left lane must turn left, while drivers in the right lane can turn right or proceed straight through the intersection. Also, the drivers in the center lane must proceed straight through the intersection."