Which of the following awards do Matt Stone and Trey Parker NOT have?

Matt Stone and Trey Parker, the creators of the popular animated TV show South Park and the hit Broadway musical The Book of Mormon, have won several prestigious awards throughout their careers, including Emmy Awards, Grammy Awards, and Tony Awards. However, they have not yet won an Oscar. While their work in film, such as the South Park movie, has received critical acclaim, they have not been recognized with an Academy Award.