Definition: 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: Sentence 1: The girl wanted a balloon. Sentence 2: Her dad bought a pack. Sentence 3: He took out a balloon. Sentence 4: He blew into it until it popped. Sentence 5: That delighted the girl.

balloon