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.

Example Input: Sentence 1: We took a tour trolley around town. Sentence 2: It was open air and a lot of fun. Sentence 3: The guide told us the history of their town. Sentence 4: We drove to all the landmarks. Sentence 5: We finally drove back to the visitor's center.
Example Output: Trolley

Example Input: Sentence 1: Heather was always a skinny girl until she turned 40 years old. Sentence 2: All of a sudden she found herself gaining a few ounces every month. Sentence 3: By the time she was 42 she had gained 15lbs in just 2 years. Sentence 4: She had some health issues so she couldn't work out to lose weight. Sentence 5: So her only option was to buy a whole wardrobe of bigger clothes.
Example Output: Bigger clothes

Example Input: Sentence 1: Sandy went to the beach with her mother on Saturday. Sentence 2: A floating jellyfish stung Sandy while she played in the ocean. Sentence 3: Sandy became scared of going to the beach. Sentence 4: Sandy's mother took her back to the beach on Sunday. Sentence 5: Sandy decided that the beach was fun if there were no jellyfish.
Example Output:
Jellyfish