Proceedings of the 6th Workshop on Natural Language Processing Techniques for Educational Applications Erhong YANG editor Endong XUN editor Baolin ZHANG editor Gaoqi RAO editor 2020-12 Association for Computational Linguistics Suzhou, China text conference publication nlp-tea-2020-natural 10.18653/v1/2020.nlptea-1.0 https://aclanthology.org/2020.nlptea-1.0/