Simplify the following text for a Grade 8 native English-speaking person.
Original: Marge injures her shoulder in the semi-finals and she is told that she wil never sweep again and that the American mixed curling team must concede the gold medal to Sweden .
Simplified: Marge insists she can compensate for his weak throws , but she injures her right shoulder while sweeping to secure a win in the semifinals . She is told that she will never curl again and that the American team must concede the gold medal game to Sweden .