<prompt> Pedzisa mutsara unotevera: Somunhu anotungamirira muhurumende pakuchera mugungwa, akashora nhamburiko dzeDemocratic dzokugumisa muitiro uyu pashure pokunge hurumende yeUnited States yazivisa kuti yakanga isingachadi kucherwa kwemvura.  <response>: Kuputika kwemafuta paExxon Valdez muna April 1989. 