Question: Which 2017 festival did a Barry Keoghan movie directed by Yorgos Lanthimos was selected to compete in the main competition?
Sentence (from "Dogtooth (film)"): "Kynodontas") is a 2009 Greek film directed by Yorgos Lanthimos about a husband and wife who keep their children ignorant of the world outside their property well into adulthood.
Relevant evidence: No