“…Relatively, the capsule network is newly proposed neural architecture in recent years and still being explored for its applications in NLP area (Zupon et al, 2020;Nguyen et al, 2019;Zhao et al, 2019). Several researches have explored to apply the capsule network to various NLP tasks, e,g., sentiment classification (Ke et al, 2021;Du et al, 2019b;Chen and Qian, 2019), relation extraction (Liu et al, 2020a), text classification (Chen et al, 2020;Du et al, 2019a;Xiao et al, 2018;Zhao et al, 2018), intent detection Xia et al, 2018), document translation , word sense disam-biguation (Liu et al, 2020b), etc.…”