In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it. Your job is to determine which sentence(s) from the passage can be used to search for further information needed to answer the question.

Question: What two years did Ge Fei win gold medals? Passage:Ge Fei (; born 9 October 1975) is a retired Chinese badminton player in the 1990s who is one of the most successful doubles specialists in the sport's history. Among many international titles, Ge won two Olympic gold medals and two IBF World Championship gold medals in the women's doubles with her regular partner Gu Jun and a World Championship gold medal in the mixed doubles with Liu Yong. Ge was also a member of Chinese teams that captured the Uber Cup (women's world team trophy) in 1998 and 2000. Ge and Gu Jun were the world's dominant women's doubles team from the mid-1990s to their retirement after the 2000 Olympics, winning over thirty top tier international titles together. Ge Fei was elected to the Hall of Fame in 2008.

Among many international titles, Ge won two Olympic gold medals and two IBF World Championship gold medals in the women's doubles with her regular partner Gu Jun and a World Championship gold medal in the mixed doubles with Liu Yong