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): 1 . the next two years , the raiders again won western division titles , but lost the afl championship to the final super bowl winners — the new york jets -lrb- 1968 -rrb- and kansas city chiefs -lrb- 1969 -rrb-.