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Ariadne Oliver
Ariadne Oliver is a delightful character in the novels of Agatha Christie. She is a mystery novelist and a friend of Hercule Poirot. She is a clever and resourceful woman, but she is also prone to flights of fancy. She is often seen as a rival to Poirot, but she is also a valuable ally. She is a complex and fascinating character who adds a lot of fun and excitement to the stories.