{"answers": "D", "options": ["f : two computers are enough for working at the cafe .", "f : ten books can cost a lot when you buy them online .", "f : but we do n't need five calculators for these classes .", "f : so you have five notebooks in total . taking notes separately is an efficient study method ."], "article": "f : your backpack is heavy . what are you carrying ? m : i have a book and a notebook in there for each of my 5 classes . and i always carry my personal computer with me . i also have 2 calculators and about 10 pins .", "id": "train_4860"}