Task: Text Categorization
Input (English): Cities lying on this body of water include Bol and N'guigmi. When its water levels are high, its water is\n diverted through a string of basins called the Soro, and its water is also discharged into the Bodele\n Depression. It is partially fed by the Yobe River, but primarily by the Chari River, and it separated into\n northern and southern basins by the Great Barrier. In the 1960s, there was a proposal to divert the Ubangi\n River into this lake to maintain its volume. For 10 points, name this shrinking lake which borders Niger,\n Nigeria, Cameroon, and its namesake country.
Output (English): Social Science