Question: Which movie genre did both Alexandre Aja and Roy Andersson direct movies in? 
Sentence (from "Roy Andersson"): Roy Arne Lennart Andersson (born 31 March 1943) is an acclaimed Swedish film director, best known for "A Swedish Love Story" (1970) and his "Living trilogy," which includes "Songs from the Second Floor" (2000), "You, the Living" (2007) and "A Pigeon Sat on a Branch Reflecting on Existence" (2014).
Relevant evidence: No