{"answers": "D", "options": ["f : the bus left exactly an hour before the time , so i had to wait for another two hours .", "f : right , the bus left 10 minutes earlier . fortunately , i caught the bus .", "f : can you believe that ? bus 20 left half an hour before the scheduled time !", "f : yes ! the bus left 10 minutes before the due schedule !"], "article": "m : why did you get home so late , sarah ? i was worried sick ! f : i had everything timed perfectly . i sat in the coffee shop , waiting for bus 55. it is supposed to leave at 4:45 sharp . i take it everyday at that time because it arrives at the waterson station just in time to catch bus 15 . m : and you lost track of time , did n't you ? f : no , ken , not this time . i was at the bus stop on time and i was picking up my bag and getting to my feet at 4:35. i was two feet from the bus when it suddenly left . m : 10 minutes early ?", "id": "train_2719"}