Last night, Ma Hui either went to play in the gym or visited his teacher Qin Nan. If Ma Hui drove last night, he didn't go to play in the gym. Only Ma Hui and his teacher Qin Nan agreed in advance that he would Go visit his teacher. In fact, Ma Hui had no agreement with his teacher Qin Nan in advance. Based on the above statement, which of the following can be concluded to be true? ['Ma Hui went to the gym with his teacher Qin Nan last night.', 'Ma Hui visited his teacher Qin Nan last night.', "Ma Hui didn't drive last night.", "Ma Hui didn't go to the gym last night."]