The document compares three different types of films: mainstream, independent, and niche.
The mainstream film discussed is Furious 7, the seventh installment of the popular Fast and Furious franchise starring Vin Diesel and Paul Walker.
The independent film is Fruitvale Station, Ryan Coogler's first feature film telling the true story of Oscar Grant, who was killed by BART police.
The niche film discussed is Harry Potter, the beloved seven-book fantasy series by J.K. Rowling chronicling the story of Harry Potter and friends at Hogwarts School of Witchcraft and Wizardry and Harry's struggle against Lord Voldemort.