About The precedence order: who wins when signs disagree?: which statement is correct?

✓ Traffic signs outrank traffic rules, insofar as those rules are incompatible with the signs.
A traffic sign always outranks a working traffic light.
A solid line on the road surface is just paint, not a real traffic sign.
The priority-to-the-right rule always applies as the base rule, regardless of whether an instruction, traffic light, or traffic sign is present.

Correct answer: Traffic signs outrank traffic rules, insofar as those rules are incompatible with the signs.

Explanation

Traffic signs outrank traffic rules, insofar as those rules are incompatible with the signs. The sign wins, not the priority-to-the-right rule

Traffic lights outrank traffic signs that regulate priority, not the other way round. As long as the light works, the light governs
Road markings are legally their own category of traffic signs, alongside signs and lights, with the same binding status. A solid line may not be crossed
The priority-to-the-right rule is level 4, the base that only applies when levels 1-3 are absent. As soon as an instruction, light, or sign is present and working, that governs priority instead