Arianna Bisazza, University of GroningenXavier Carreras, dMetricsYun-Nung (Vivian) Chen, Dept. of Computer Science and Information Engineering, National Taiwan UniversityRyan Cotterell, University of CambridgeAngeliki Lazaridou, Google Deepmind André F. T. Martins, Unbabel, Instituto Superior Técnico and Instituto de TelecomunicaçõesRyan McDonald, Google AIBarbara Plank, IT University of CopenhagenVinodkumar Prabhakaran, GoogleSebastian Riedel, Facebook AI Research and Department of Computer Science, University College London