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: Ricky decided to run a triathlon. Sentence 2: He had to buy a special new bicycle. Sentence 3: The hardest part of training was the swimming. Sentence 4: On race day he was very nervous. Sentence 5: The race was very difficult but he felt a great sense of achievement.

Training