Where should vehicles drive in a road divided by a continuous white line?

1. Correct answer: On the right side of the line only
2. On the right side of the line, but it is permitted to drive on the left side of the line for overtaking.
3. On the left side of the separation line
4. The greater part of the vehicle should be on the right side of the line

WhyIf the road is divided by a solid line, you drive only to the right of it. You may not cross it, even to overtake.