Question: Which movie genre did both Alexandre Aja and Roy Andersson direct movies in? 
Sentence (from "Roy Andersson"): His 2014 film "A Pigeon Sat on a Branch Reflecting on Existence" won the Golden Lion award at 71st Venice International Film Festival, making Andersson the only Swedish director and the second Scandinavian director to win the award in the history of the festival, after Danish Carl Theodor Dreyer won in 1955.
Relevant evidence: No