{"answers": "C", "options": ["f : it is more sincere to invite others in person .", "f : can you provide me with some templates for writing paper invitation ?", "f : you'r right . i can email all the people i want to invite at one time and ask them to reply whether they will attend or not .", "f : i want to ask the teacher some questions online ."], "article": "f : my husband and i are having an anniversary party . do you think we should mail invitations or just invite people in person ? m : paper invitations are nice , but everything is done online nowadays . besides , it will be easier to keep track of who is planning to come if you do it that way .", "id": "train_4768"}