Steep descent

What is the meaning of the following traffic sign?

1. Dangerous ascent.
2. Steep ascent.
3. Dead-end roadway.
4. Correct answer: Steep descent.

What is the meaning of the following traffic sign?

1. Steep escent for the next 2,500 meters.
2. Steep escent starts in 2,500 meters.
3. Correct answer: Steep and winding descent for the next 2,500 meters.
4. Steep descent starts in 2,500 meters.

What is the meaning of this sign?

1. Correct answer: Steep downhill slope about 2,500 meters ahead.
2. In 2,500 meters a steep uphill climb begins.
3. Steep downhill slope for 2,500 meters begins here.
4. The end of a 2,500-meters downhill slope section.