Task: Text Simplification
Input (English): the following two years , the raiders again won western division titles , only to lose the afl championship to the eventual super bowl winners — the new york jets -lrb- 1968 -rrb- and kansas city chiefs -lrb- 1969 -rrb-.
Output (English): in the next two years , the raiders again won western division titles , only to lose the afl championship to the new york jets and the kansas city chiefs , two teams who would eventually win the super bowl -lrb- in 1968 and 1969 respectively -rrb-.