What is the correct sentence according to the following picture?

1. Correct answer: The road tanker driver doesn’t keep to the right of the roadway, even though he can not see the vehicles coming from the opposite direction.
2. The road tanker driver is driving far from the “soft shoulders” and in this way avoids risks.
3. The marking on the roadway is not clear enough.
4. The road tanker driver is driving correctly in the middle of the road, so that he can see better the vehicles coming from the opposite direction.

WhyThe tanker is not driving at the right edge but closer to the middle, even though it cannot see oncoming vehicles. That makes it dangerous to them.