500
Which is the thesis statement in the following introduction. 1,2, or 3?
1-"Why do athletes train so hard? Athletes, such as LeBron James and Gabby Douglas, have to keep a healthy diet and prepare in many ways. 2-No matter the sport, all of the best athletes practice their skills every day. 3-To be successful, athletes must develop good habits, plan, and train hard."
3-Thesis: "To be successful, athletes must develop good habits, plan, and train hard."