HIT-SCIR at SemEval-2020 Task 5: Training Pre-trained Language Model with Pseudo-labeling Data for Counterfactuals Detection. - Xiao Ding; Dingkui Hao; Yuewei Zhang; Kuo Liao; Zhongyang Li; Bing Qin 001; Ting Liu 001 (SemEval@COLING, 2020)