In this task, you're given five sentences, numbered 1 through 5. Your job is to generate a title for the story that makes complete sense. The title must be short, with less than three words, use simple language, and include the main topic of the story.

Input: Consider Input: Sentence 1: The other day I saw a snake out on the lawn. Sentence 2: I went inside to get a broom. Sentence 3: I couldn't find a broom so I found a large stick. Sentence 4: I shooed the snake away with the large stick. Sentence 5: I haven't seen the snake since.

Output: Snakes

Input: Consider Input: Sentence 1: I went my whole life without ever having a cavity. Sentence 2: One day I felt the worst pain in my jaw. Sentence 3: I made a dentist appointment immediately. Sentence 4: He told me I need a root canal on a the tooth that hurt. Sentence 5: I also had eight other cavities he needed to fill.

Output: Cavities

Input: Consider Input: Sentence 1: I am a strong advocate of environmental preservation. Sentence 2: I talk to people about the dangers of littering and deforestation. Sentence 3: Many people ask me how they can help. Sentence 4: I usually tell them to clean up, and recycle as much as possible. Sentence 5: Hopefully, everyone will become environmentally aware.
Output: Environment