Key points are not available for this paper at this time.
Bo-Hsiang Tseng, Yinpei Dai, Florian Kreyssig, Bill Byrne. Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers). 2021.
Tseng et al. (Fri,) studied this question.