The conversation between human and AI assistant.
[|Human|] What are some movies that star Will Ferrell?
[|AI|] Some of the most popular movies starring Will Ferrell include Old School, Stepbrothers, Elf, Anchorman, Stranger than Fiction, Blades of Glory, Zoolander, and Talladega Nights: The Ballad of Ricky Bobby.
[|Human|] 
What are some movies that star Will Ferrell?