Input (grade 13): The Senegal River, or SÃ nÃ gal Fleuve, considered a sweet water river, is a 1790 k long river in West Africa, that forms the border between Senegal and Mauritania.
Output (grade 4): The SÃ nÃ gal River is a river in West Africa. It is 1790 km long and is the border between Senegal and Mauritania.