<prompt> Qedela umusho olandelayo:  <response>: Inhlekelele ye-Exxon Valdez, ukukhala komphakathi kwaba namandla kangangokuthi iziphathimandla zaphoqeleka ukuba zithathe izinyathelo zokuvimbela. Ikakhulukazi ukwakheka kwesikhumba esiphindwe kabili kwakuthandwa futhi nakuba lokhu kungeyona into engcono kakhulu kuzo zonke izimo, ngenxa ye-OPA 90, lokhu kuyindlela kuphela esetshenziswayo okwamanje. 