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: Brooks hating walking up the stairs every day. Sentence 2: He knew it was good exercise but it annoyed him. Sentence 3: One day, he stopped walking up the stairs. Sentence 4: He grew fat and could not do a lot of stuff. Sentence 5: Then, he began exercising to lose weight again.

Stairs