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: He decided to see how long his toe nail would grow. Sentence 2: He didn't usually wear shoes so they wouldn't break it. Sentence 3: He let it grow for months. Sentence 4: It became very long. Sentence 5: It finally snapped off by accident.

Toenail