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: Ben was making good progress. Sentence 2: He had only recently started going to the gym. Sentence 3: His trainer had helped him getting started. Sentence 4: Ben was on his way now. Sentence 5: He was already losing weight and gaining muscle by lifting weights.

Lifting Weights