Collecting Verified COVID-19 Question Answer Pairs. - Adam Poliak; Max Fleming; Cash Costello; Kenton W. Murray; Mahsa Yarmohammadi; Shivani Pandya; Darius Irani; Milind Agarwal; Udit Sharma; Shuo Sun; Nicola Ivanov; Lingxi Shang; et al. (NLP4COVID@EMNLP, 2020)