### Russian: На севере регион ограничен Сахелем, а на юге и западе — Атлантическим океаном.
### English: Is the region bordered by the Sahel to the north and the Atlantic Ocean to the south and west?
### Errors: There is a major change to interrogative error in the English translation.

### Improved English: The region is bordered by the Sahel to the north and the Atlantic Ocean to the south and west.
