Task: Dialogue Generation
Input (English): M: It's grandpa's birthday next week. We must have a surprise party. ,F: A party? Do you mean you want to have loud music and food everywhere? ,M: Well, no, but grandpa will. You know he loves jazz. ,F: OK, well, how about having it at a hotel? ,M: Hotels are expensive, and it's too cold for a garden party at this time of year. We really should have it here at our house. ,F: Ok, I suppose you're right. What food should we have? ,M: Oh, I'll make some pizzas, and I'm sure grandma will make a birthday cake. ,F: Yes, I'm sure she will. I'll make some salad, then. What do you think I should get him? ,M: Let me think. No scarves or hats. I'm giving him a scarf and grandpa just bought a hat last month. What about a book? He reads a lot. ,F: Ok, good idea. Oh, what day should we plan to have the party? ,M: Well, the birthday is on Thursday. So we could do it on Friday. No, Saturday. Saturday is the best day for a party.
(A) F: Great! Let's go to the bookstore and buy grandpa a book. (B) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) F: OK. We'll have the party on Friday. We should buy a book for him now. (D) F: Fine. Let's buy grandpa a hat and give him at the party on Friday .
Output (English): A