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: I kept misplacing my bank checkbook. Sentence 2: It was dark blue in color and was always hard to find. Sentence 3: I had some reflective red stickers for my bike. Sentence 4: I put one on my checkbook. Sentence 5: I have not lost the checkbook since.

Checkbook