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: Roland weighed 300 pounds. Sentence 2: Everyone was worried for his health. Sentence 3: So Roland told everyone he would lose the weight. Sentence 4: No one believed him. Sentence 5: He lost 100 pounds in 6 months to everyone's surprise.

He perseveres