<prompt> Theha polelo ka mantsoe nako le nako, vibrant, catalystnan  <response>: Instruction in English: Construct a sentence with the words periodically, vibrant, and catalyst . Response in English: Periodically, a vibrant catalyst is needed to stimulate and encourage growth or change within a system. . Response in Sesotho: Nako le nako, ho hlokahala mokelikeli o matla ho susumetsa le ho khothaletsa kholo kapa phetoho ka hara sistimi. 