Key points are not available for this paper at this time.
Cristian Cardellino, Milagro Teruel, Laura Alonso Alemany, Serena Villata. Proceedings der 15. Konferenz des Europäischen Kapitels der Association for Computational Linguistics: Band 2, Kurzpapiere. 2017.
Cardellino et al. (Sun,) untersuchten diese Frage.