{"answers": "D", "options": ["f : okay . those train tickets on sunday are so expensive so we will leave on saturday !", "f : why do you say we will leave on tuesday ? those plane tickets on saturday are so cheap , and we can leave on saturday !", "f : so , you mean you ca n't find anything cheaper before this thursday . so , we will leave on thursday .", "f : so , you mean we will leave on tuesday ?"], "article": "f : those plane tickets on saturday are so expensive . ca n't you find anything cheaper before next thursday ? m : well , if we want cheaper tickets , we can leave on tuesday .", "id": "train_5418"}