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: Kelly lost her science book. Sentence 2: She had to turn it in at the end of the year. Sentence 3: If not, she would owe the money for it! Sentence 4: But then luckily, she found it. Sentence 5: It was hidden at the bottom of her locker!

Book