    Sentence: 1 A Key’ to' that éffort-iwas” the: compiany 's  intriduction-of @ 10-year ',-100;299-mile wartanty ,  meant to: reassure buyers that, th could tnist’ the  Korein company.    Sentence 2: Mr. O-'Neill had a-solition vd 10-year ,    10a,60-mile warranty-, meant to reassure: buyers that    they conld trust Hyundai :    *