Complex sentence: She won a silver medal in the 100 m breaststroke at the 1981 European Championships, and competed at four Olympic Games, with her best results being sixth place in the 100 m breaststroke final in 1980 and seventh place in the 200 m breaststroke final in 1984.
Split into simpler sentences: She won a silver medal in the 100 m breaststroke at the 1981 European Championships. She competed at four Olympic Games, with her best results being sixth place in the 100 m breaststroke final in 1980 and seventh place in the 200 m breaststroke final in 1984.