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: Rick decided that he wanted to start running. Sentence 2: He started off by walking every other day. Sentence 3: Before he got serious he order new running shoes. Sentence 4: Soon he started using a heart rate monitor to improve his training. Sentence 5: Within a couple of months Rick ran a race with a bunch of friends.

Running