{"answers": "C", "options": ["m : yes . a stamp will cost a penny in may .", "m : yes . a stamp will cost 42 cents in may .", "m : do you know that a stamp will cost 44 cents in may ?", "m : do you know that a stamp will cost 44 cents now ?"], "article": "f : the price of stamps keeps going up and up . i think stamps used to cost a penny . m : stamps are $ 0.42 now , but in may they will be $ 0.44 . f : well , i 've never lost a letter in the mail , so i guess it 's worth the money .", "id": "train_4487"}