Problem: M: Oh, there was something wrong with my mobile. I will have to buy a new one. What was said before this conversation?

A: W: I dialed your phone number many times yesterday, but I couldn't get through. What's the matter?
Problem: Given the question: M: He is certainly in the position to make that comment. HE has been there so often. What was said before this conversation?
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The answer is:
W: Bob said that Seattle is a great place for conferences.
input question: W: Yes. Take the first turn on the left and the Bank of China is next to the bus stop. What was said before this conversation????
output answer: M: Excuse me. Is there the Bank of China near here?
M: But if we have student cards, we can get in for two. W: Really? Let's have a try. What was said before this conversation?
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Answer: W: The admission price of the gallery is ten dollars per person. I think that's too expensive for a single exhibit.
Q: W: I'd love to, John, but where would we stay? M: At a friend's house. I always stay with him and there's room for you too. W: OK. He won't mind? M: Of course not. He's looking forward to meeting you. W: Will we drive to New York? M: Yes, it takes about six hours. We can leave about noon and get there by suppertime. W: What's the climate like? M: It may be cold and rainy. Better bring a jacket and good walking shoes. W: Well, when do we leave? M: How about Thursday? Can you be ready by noon? W: No problem. What was said before this conversation?
A: M: How would you like to come to New York with me over the spring break, Julia?
[Q]: M: It depends. If the traffic isn't too heavy... Anyhow, I'll try my best. You've got enough time. W: How much should I pay? M: $12.75, please. W: Thanks a lot. Here's $15. Give me $1.00 back, please. What was said before this conversation?
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[A]:
W: Do you think you can take me to the Grand Hotel in 30 minutes?