What is the meaning of the following traffic sign?

- You have right-of-way in the narrow road.
- Give right-of-way on the narrow road to vehicles coming from the opposite side.
- No turning at the end of the road section.
- Correct answer: No through road (cul-de-sac) ahead.
Why this is the answer
The correct answer in the official bank: No through road (cul-de-sac) ahead.
A blue square sign with a white T capped by a red bar warns of a no through road. The road ahead ends, the red bar marking where it is blocked, so there is no way to continue driving through. It is an information sign, not a prohibition, so it does not ban turning. Narrow-road priority signs look different and show two opposing arrows.