<prompt> Fetola polelo ho sebelisa lentsoe la ho etsa.Batho ba silafalitse tikoloho ka lilemo tse makholo.  <response>: Instruction in English: Change the sentence to use the passive voice. . Response in English: The environment has been polluted by humans for centuries. . Response in Sesotho: Tikoloho e nile ea silafatsoa ke batho ka lilemo tse makholo. 