<prompt> Tšweletša mohuta o raraganego kudu wa polelo ye Zahn o ile a thoma go hlahlobja mafelelong a bo-1990.  <response>: Ee, phetolelo e raraganego kudu ya polelo ke Zahn o ile a hlahlobja la mathomo mafelelong a bo-1990 gomme ka morago ga moo, a ba mothekgi yo mogolo wa Relay for Life le Mokgatlo wa Kankere wa Amerika. 