<prompt> Translate the following text to SwahiliInterpretation of the law and the Constitution is the primary mission of the judiciary when it acts within the sphere of its authority to resolve a case or controversy.  <response>: Tafsiri ya sheria na Katiba ni utume wa msingi wa mahakama wakati inapofanya kazi ndani ya uwanja wa mamlaka yake kutatua kesi au utata. 