Task: Dialogue Generation
Input (English): F: Have you booked the train tickets? ,M: Yes, the train leaves 4 o'clock and arrives at London at about 10. ,F: What about the plane tickets from London to Paris? ,M: Well, I want your advice. If we take the plane, leaving at midnight, we'll have to pay 260 pounds each. But if we leave at 8 in the morning, we'll have to pay 410. ,F: Can we get to the airport at 11? ,M: Yes, it's only 30 minutes from the railway station to the airport. ,F: Then we'll take the plane, leaving at midnight.
(A) M: We'll have to pay 410 in total for the plane tickets if we we leave at midnight. (B) M: Considering we'd like to avoid unnecessary cost, we'll spend 520 for the plane tickets. (C) M: It must be exhausted to take the plane in the midnight so let's take the morning one, which will cost 820 pounds. (D) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly?
Output (English): B