 Complete the following phrase:  After the disappointment of Rio, Schippers decided to change. She parted with Bart Bennema as her coach, who had overseen her transition from a outstanding heptathlete, winning bronze in the IAAF World Championships Moscow 2013, into a successful 100m and 200m sprinter. Both felt that she had to try a different approach to progress, and so she decided join U.S. coach and sprint guru Rana Reider and focus on the 2017 World Championships in Athletics in London, to defend her world title in the 200m. After winning the bronze in the 100m, she won the 200 m title, joining Jamaican Merlene Ottey and USAs Allyson Felix as the only athletes to successfully defend a world title in the event. Its a great feeling to be world champion for the second time, she said. I was a bit nervous beforehand, but Im a final runner, and bring my best in finals, so Im very grateful for the experience today. There were so many Dutch fans in the stadium, all wearing orange. To win this two times in a row is brilliant. The Dutch 4 × 100 m relay team Madiea Ghafoor, Schippers, Sedney, Samuel 