<prompt> Lekola polelo e latelang: 6 - 4 1nan  <response>: Instruction in English: Evaluate the following expression: 6 - 4 1 . Response in English: The expression 6 - 4 1 can be evaluated in two steps. First, solve the expression inside the parenthesis, which is 4 1 5. Then substitute this value back into the expression to get 6 - 5 1. The final result is 1. . Response in Sesotho: Polelo ea 6 - 4 1 e ka hlahlojoa ka mehato e meli. Ntlha ea pele, rarolla polelo e ka hare ho masaka, e leng 4 1 5. Ebe u khutlisetsa boleng bona sebakeng sa polelo ho fumana 6 - 5 1. Sephetho sa ho qetela ke 1. 