Write the Following Set in Builder Notation Form

Write the following set in builder notation form. The set gold medalists in the Winter Olympic Games.
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A) {x = x is a gold medalist in the Winter Olympic Games}
B) {x is a gold medalist in the Olympic Games}
C) {x | x is a gold medalist in the Winter Olympic Games}
D) {x is a gold medalist in the Winter Olympic Games}
E) {x is a player in the Olympic Games}