premise: "Up All Night" is an American television sitcom created by Emily Spivey that airs on NBC. The series stars Christina Applegate and Will Arnett as Regan and Chris Brinkley, a couple who struggle to balance their home lives (especially with their newborn child, Amy) and their work lives.
hypothesis: Christina Applegate and Will Arnett have starred together previously.
reason: I think that it belongs in this category because based of the context in the original comment, you would not know if it was true or not.  I dont think the system had enough information in the comment to determine the category.  