Given the task definition and input, reply with output. 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.

Sentence 1: Bella was 3 and wanted lots of balloons for her birthday party. Sentence 2: Her mom She was blowing them up as fast as she could, but Bella moped. Sentence 3: She wanted a very large balloon! Sentence 4: So Su blew and blew until she had a huge balloon-which popped! Sentence 5: The noise frightened Bella, and she cried, but Su reassured her!
Popped