Complex sentence: She presented the show on 14 August 2007, but then disappeared from the airwaves, the programme being presented by her colleagues Pete Mitchell, Alex Lester, Aled Jones and Richard Allinson.
Split into simpler sentences: She presented the show on 14 August 2007, but then stopped presenting the show for a while. Instead, the programme was presented by her colleagues Pete Mitchell, Alex Lester, Aled Jones and Richard Allinson.