<prompt> Translate the following text to SwahiliOSIs mission is to improve the performance and ensure the accountability of government by conducting oversight investigations concerning allegations of serious wrongdoing that may involve potential violations of criminal law.  <response>: Ujumbe wa OSI ni kuboresha utendaji na kuhakikisha uwajibikaji wa serikali kwa kufanya uchunguzi wa usimamizi kuhusu madai ya makosa makubwa ambayo yanaweza kuhusisha ukiukaji wa sheria za jinai. 