Which of the following best describes "improv" shows?

"Improv" shows are characterized by their reliance on audience suggestions and spontaneous creation. This format allows performers to react in real-time to prompts from the audience, which leads to unique and often humorous scenarios that are not predetermined. The essence of improv is its spontaneity and the creativity that unfolds in the moment, showcasing the performers' ability to think quickly and adapt their performances based on audience interaction. This approach fosters an engaging and interactive experience for spectators, making each show distinct. In contrast, the other options describe aspects that are contrary to the fundamental nature of improv.