Complex sentence: Initially the Friday editions were presented by Mark Longhurst and Emma Crosby, the Saturday, Longhurst and Helen Fospero and Sunday, Longhurst and Samantha Simmonds; however, during April 2007 this format changed and Mark Longhurst became the sole presenter.
Split into simpler sentences: Initially the Friday editions were presented by Mark Longhurst and Emma Crosby, the Saturday, Longhurst and Helen Fospero and Sunday, Longhurst and Samantha Simmonds. However, during April 2007 this format changed and Mark Longhurst became the sole presenter.