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: Bobby wanted to try out for the track team. Sentence 2: He did not think he was good enough so he started to practice. Sentence 3: He ran back and forth on his block to improve his speed. Sentence 4: When he finally tried out for the team, he got on it! Sentence 5: He realized that his hard work is what made him good at the sport.

Small Runner.