article_snippet.sent: Maria Sharapova and Venus Williams have Maria Sharapova and Venus Williams withdrawn from Maria Sharapova and Venus Williams countries' respective Fed Cup ties this weekend.
article_snippet.sent: Maria Sharapova has been forced to pull out of Russia's semi-final against Germany in Sochi with a leg injury, the Russian Tennis Federation said on Tuesday. '
article_snippet.sent: Maria Sharapova Maria Sharapova has pulled out of this weekend's Fed Cup semi-final with a leg inury . '
highlights_snippet.sent: Maria Sharapova has been forced to withdraw with a leg injury .
  
highlights_snippet.sent: Venus Williams has also pulled out because of a personal matter .
  