{"answers": "C", "options": ["f : i do n't have time on this sunday for the lessons . let 's do it tonight .", "f : i look forward to our lessons on sunday . i 'll learn chinese with heart .", "f : see you on sunday . we can both get some preparation for the lessons .", "f : then we will start the lessons next sunday . see you next week , tom ."], "article": "f : eric , how long will you be in china ? m : i do n't know , well my contract here is for one year and i do n't know what i should do after that , maybe going around for a while . f : well . have you ever thought about learning some chinese ? m : actually i am learning that now , but it 's too hard for me . the four tones really drive me mad . f : do n't worry , all things are difficult before they are easy . m : you hit the nail right on the head . f : well , are you interested in the language exchange program ? m : what is it ? f : i teach you chinese and in exchange you teach me english . m : awesome . i 've been giving this a lot of thought . when can we do this ? f : how about this sunday ? m : ok , cool .", "id": "train_725"}