What is the fine-grained topic of the following text: Okay, the format is rather familiar to anyone who has seen ‘Whose Line is it Anyway’ with many of the games being given a dusting down by Lloyd Stevens, Alex Norris, Gareth Kane, Steve Kenworth and Ruth Bratt attempt to improvise shows from the 2005 Fringe brochure as selected by the audience. Only return the topic.
Improvisation shows inspired by 'Whose Line is it Anyway' at the 2005 Fringe brochure.