Before revision:  In addition, BANG achieves absolute improvements of 10.73, 6.39 , and 5.90 in  overall scores of SQuAD, XSUM , and PersonaChat compared with the NAR strong baselines, respectively .
After revision:  In addition, BANG achieves absolute improvements of 10.73, 6.39 , and 5.90 in the overall scores of SQuAD, XSUM , and PersonaChat compared with the NAR strong baselines, respectively .