Problem: M: Well, it's the biggest department store in the UK. And its food hall and the Egyptian hall are very famous. People come to Harrods just to see them. W: What is special about the food hall? M: It sells many different kinds of food. For example, it has 250 kinds of cheese from all over the world and more than 180 kinds of bread. Customers also love all the different kinds of chocolate. They buy a hundred tons every year. W: That's amazing! And why is the Egyptian hall so famous? M: Well, when people see it, they feel they are in another world. It looks like in Egyptian building from 4,000 years ago. And it sells beautiful objects. They are not 4,000 years old, of course. W: Is it true that Harrods produces its own electricity? M: Yes, it does 70%, enough for a small town. To light the outside of the building, we use 11,500 light bulbs. W: Really? Tell me, how many customers do you have on an average day? And how much do they spend? M: About 30,000 people come on an average day. But during the sales, the number increases to 300,000 customers a day. How much do they spent? Well, on average, customers spend about 1.5 million pounds a day. The record for one day is nine million pounds. W: Nine million pounds in one day? M: Yes, on the first day of the January sales. W: Harrods says it sells everything to everybody, everywhere. Is that really true? M: Oh, yes. of course! Absolutely everything! What was said before this conversation?

A: W: Tell me, Peter, what makes Harrods so famous?
Problem: Given the question: M: Sorry I'm late, but I was waiting for you at the information desk upstairs. It's lucky I thought to look for you here on the platform. What was said before this conversation?
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The answer is:
W: Where have you been all this time? The train is about to leave!
input question: M: Yes, they are on your bed. What was said before this conversation????
output answer: W: Have you seen my book anywhere?
A: Oh right, well, in that case, I'd advise you to get there early. It opens at 10 o'clock in the morning on weekdays. Look, I think I've got a plan of the place somewhere. Let me see.., yes, here we are. You can have this. B: Thanks. A: OK I'll show you. Let's start with the lower level. See? Here? You arrive by taxi or bus or whatever here, on the right, can you see? That's the bus terminal. And you go in through the main entrance. You could go to Water World first but I think you'd better miss that out as you're short of time, you said. You see the cable cars? Well, those long lines are the wires and the little circles are the cars going up and down to the next level. Well, walk past the cable car terminal, at the bottom of the plan, and bear right past the Waterfall Gardens. Actually, have a look in, there are ducks and other birds in the pool there-it's very pretty. Then you'll see some steps up on the left. Follow that path and you'll come to the Centenary Garden which is a good place to stop and take pictures if you've got your camera. Then carry on until you're almost at the Children's Zoo. Right. I wouldn't bother to visit the zoo if I were you, it takes quite a long time to walk round. But I do recommend the "Touch and Feed" section opposite, as I said. It's great fun for small children. B: Ok, so we'll pay a visit there, and then what? A: You could come back a different way past the Chinese rock garden. Oh, that's lovely-do wander around if there's time. Then go down the steps to the Otter Pool-you can have a sit down there for a little while and watch the otters messing around in the water. Then back to the cable car terminal where you can catch a car to the upper level. The journey takes about ten minutes, I suppose, it's quite a long way. Now if you look at the other plan, the one for the upper level, you'll see where you arrive. B: Is this the terminal here in the bottom left hand comer? A: Yes, that's right. The fun fair is in the top left hand corner. Can you see? With "The Dragon" I... What was said before this conversation?
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Answer: B: I don't know if we'll be able to spare a whole day at the Ocean Park. We've only got four days in Hong Kong, remember.
Q: W: Sorry, the computer broke down this morning. I will for you as soon as I have fixed. What was said before this conversation?
A: M: Jessica, could you this emails to all the club members?
[Q]: W: Yes, of course. I especially like the walk in the mountain. M: If you'd like to, we can go there again this summer. W: I'd love to enjoy the moment of peace out there. What was said before this conversation?
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[A]:
M: Do you remember the days in our small cabin last summer?