Choose a sport (boxing, ice-skating, football, rugby, et al), and research generating the pros and cons of the sport.
In your first two pages of writing, create a case for the benefits of this sport. (Keep your personal feelings removed from these first two pages. Only submit the evidence based on your research and carefully document that evidence through in-text (parenthetical) citations.
In pages three and four, create a case for the dangers of this sport. This writing is not based on personal observation, but on your well-documented evidence.