Complex sentence: On 5 May 2011, it was confirmed that Cowell and Cole would not be returning to the judging panel for series 8, to concentrate on the American version of the programme.
Split into simpler sentences: On 5 May 2011, it was confirmed that Cowell and Cole would not be returning to the judging panel for series 8. They announced that they were leaving to concentrate on the American version of the programme.