input question: M: Bye. But where are you going? W: The bank, the supermarket and... M: Will you buy an exercise book for me? W: I guess so. But I'll go to the post office first before I go to the supermarket. M: Can you also buy me a pen? The one you gave me last week doesn't work now. W: How come? M: It fell off the desk and was broken. W: Can you be more careful with your things? M: Ok. Oh. Can you wait a second? W: What for? M: You are going to the post office, right? W: Yes, so what? M: Here's a letter for Sam. Can you post it? What was said before this conversation????
output answer: W: Bye for now.

input question: M: Not too good. W: Well, the term exam is always more difficult. Work harder, and you'll certainly do better next time. M: I've worked hard enough, I think, but unluckily, I have never done well in the exam. W: Well, it's no use worrying about the exam now. Let's talk about the football game tonight. It's much more interesting. M: Is there a football game on TV tonight? W: Yes it's between the Chinese team and the Japanese team. M: ... Er I'd rather watch some other programmes. W: Why? You're so interested in football. M: The Chinese team has always played badly in the important match, just as I have done in the important exam. What was said before this conversation????
output answer: W: Hello, John. How was your French exam yesterday?

input question: M: Sorry, the train for London has just left. What was said before this conversation????
output answer: F: Excuse me, could you tell me which train will leave for London?

input question: W: Just one, Mr. Blank. You had a telephone call from someone called Brown, David Brown. M: Brown? I don't seem to know anyone called Brown. What did he say? W: He wouldn't say. But it sounded important. I told him you'd phone him as soon as you got back. M: Well, I'd better do it then, I suppose. Er...you've got his phone number, haven't you? W: Yes, it's 633201. M: 622301. W: No, 633201. M: Oh, I'd better write it down, otherwise I'll probably forget it. W: I have already done it, Mr. Blank. It's on your desk. What was said before this conversation????
output answer:
M: Any messages, Miss Grey?