{"answers": "C", "options": ["f : i see . one page of this book is blurry , page 53 .", "f : i see . one page of this book is missing , page 63 .", "f : i see . one page of this book is missing , page 53 .", "f : i see . one page of this book is upside down , page 53 ."], "article": "f : hello , amazon 's customer service . how can i help you ? m : hello , it 's the book i got from your website yesterday when i was reading it . i found that one page is missing , page 53 .", "id": "train_2005"}