Question: what does Jack Horner and Jack and the Beanstalk have in common?
Sentence (from "Jack Horner (comics)"): The character is based on various nursery rhymes and fables with characters named Jack including "Little Jack Horner", "Jack and the Beanstalk", "Jack and Jill", Jack Be Nimble, Jack Frost, Jack O'Lantern, and Jack the Giant Killer and others.
Relevant evidence: No