Complex sentence: The Mildenhall Fen Tigers are a British speedway team, currently riding in the Premier League in 2006 after twelve seasons in the Conference League when new promoter Mick Horton took over.
Split into simpler sentences: The Mildenhall Fen Tigers are a British speedway team, currently riding in the Premier League. The club moved up to the Premier League in 2006 after twelve seasons in the Conference League when new promoter Mick Horton took over.