Literary nonsense, or nonsense literature, uses language to defy literary conventions. Its most common form is nonsense verse, which is humorous or whimsical and features absurd characters and evocative but meaningless words. It differs from other comic verse in its resistance to any rational or allegorical interpretation. Nonsense verse emerged at the beginning of the 19th century and has been mostly written for children. What poem is likely the best known example of literary nonsense? Discuss