Given the task definition and input, reply with output. 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.

Sentence 1: Laura noticed her dog was getting fatter and more out of shape. Sentence 2: I suggested that she start taking her dog on walks more. Sentence 3: The next day she started taking her dog on walks. Sentence 4: They were very exhausting walks at first but it went fine! Sentence 5: After about a month Laura noticed that her dog was losing weight!
Dog walking