Complex sentence: The show centres around the two presenters, Holly Willoughby and Steve Wilson setting eachother challenges to test their nerves, using common phobias, such as the fear of heights and the dark, as the basis.
Split into simpler sentences: The show centres around the two presenters, Holly Willoughby and Steve Wilson, setting eachother challenges to test their nerves. It uses common phobias, such as the fear of heights and the dark, as the basis.