The document considers three film ideas - The Undercover Teacher, A Dare At Midnight, and Poltergeist Activity. For each idea, pros and cons are listed. The Undercover Teacher is chosen as the best option. It has more pros than cons, including an interesting story, variety of characters, and nearby filming locations. While it will require good acting and possibly more actors for some scenes, these cons can be addressed. Overall, The Undercover Teacher is selected as the easiest idea to make into a trailer.