{"answers": "A", "options": ["f : i never knew that pizza was once cheap before you told me this .", "f : how can you say that pizza tastes terrible ?", "f : yes , pizza was once cheap , though its was kind of noble food .", "f : i know . pizza has alway been so expensive ."], "article": "f : marco , what can you tell me about pizza ? m : well , pizza was originally a peasant food , but nowadays pizza can be very expensive .", "id": "train_4818"}