Josh wrote an informative essay about the effects of different types of exercise. His school's athletic director has asked him to write an article for the paper to encourage students to join a sports team. How should Josh blend writing techniques to best suit his purpose and audience?

He should revise his essay to show the pros and cons of each type of exercise.
He should include personal anecdotes to convince readers of his expertise as an athlete.
He should add a list of sources to support an argument that playing sports is beneficial.
He should include quotations from famous athletes promoting their favorite sport.