MCTest annotation data in Sugawara and Aizawa (EMNLP WS 2016) and Sugawara et al. (AAAI 2017):
https://docs.google.com/spreadsheets/d/1yHt8IcPz2Nxrc_Mk_wMIxH3uL7pFHj_jLee4OWD12Sw