<prompt> Fumana nomoro e latelang ka tatellano e latelang: 1, 3, 6, 10, 15nan  <response>: Instruction in English: Find the next number in the following sequence: 1, 3, 6, 10, 15 . Response in English: The next number in the sequence is 21. . Response in Sesotho: Nomoro e latelang ka tatellano ke 21. 