Complex sentence: Katarina Witt, a two-time Olympic champion, was stunned by the result and she claimed that Kim was the true gold medalist, saying there would be no change for the result, but we must have a discussion on the judgment.
Split into simpler sentences: Katarina Witt, a two-time Olympic champion, was stunned by the result. She claimed that Kim was the true gold medalist, saying there would be no change for the result, but we must have a discussion on the judgment.