You are considering whether to buy a product. You look at the reviews. Would the following review decrease or increase the chances of you buying the product?
Review title: Great acting by Dame Diana Rigg
Product review: Sure, the novels by Gladys Mitchell are not great as the books by Agatha Christie, but with a great actress like Dame Diana Rigg this episodes are pure fun (especially the last one "The worsted viper"). You will enjoy it!
